kbuild/all archs: Replace HEAD with head-y

Replace done for all archs except mips* and cris.
These architectures are lacking too much behind that it made sense

arch/alpha/Makefile

@@ -90,7 +90,7 @@ endif
 # BWX is most important, but we don't really want any emulation ever.
 CFLAGS += $(cflags-y) -Wa,-mev6
 
-HEAD := arch/alpha/kernel/head.o
+head-y := arch/alpha/kernel/head.o
 
 core-y			+= arch/alpha/kernel/ arch/alpha/mm/
 core-$(CONFIG_MATHEMU)  += arch/alpha/math-emu/

arch/arm/Makefile

@@ -61,7 +61,7 @@ DATAADDR	:= .
 
 ifeq ($(CONFIG_CPU_26),y)
 PROCESSOR	:= armo
-HEAD		:= arch/arm/mach-arc/head.o arch/arm/kernel/init_task.o
+head-y		:= arch/arm/mach-arc/head.o arch/arm/kernel/init_task.o
 LDFLAGS_BLOB	+= --oformat elf26-littlearm
   ifeq ($(CONFIG_ROM_KERNEL),y)
     DATAADDR	 := 0x02080000
@@ -73,7 +73,7 @@ endif
 
 ifeq ($(CONFIG_CPU_32),y)
 PROCESSOR	:= armv
-HEAD		:= arch/arm/kernel/head.o arch/arm/kernel/init_task.o
+head-y		:= arch/arm/kernel/head.o arch/arm/kernel/init_task.o
 LDFLAGS_BLOB	+= --oformat elf32-littlearm
 textaddr-y	:= 0xC0008000
 endif

arch/ia64/Makefile

@@ -31,7 +31,7 @@ cflags-$(CONFIG_ITANIUM_BSTEP_SPECIFIC)	+= -mb-step
 cflags-$(CONFIG_IA64_SGI_SN)		+= -DBRINGUP
 
 CFLAGS += $(cflags-y)
-HEAD := arch/ia64/kernel/head.o arch/ia64/kernel/init_task.o
+head-y := arch/ia64/kernel/head.o arch/ia64/kernel/init_task.o
 
 libs-y				+= arch/ia64/lib/
 core-y				+= arch/ia64/kernel/ arch/ia64/mm/

arch/m68k/Makefile

@@ -54,9 +54,9 @@ CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS)) -g
 endif
 
 ifndef CONFIG_SUN3
-HEAD := arch/m68k/kernel/head.o
+head-y := arch/m68k/kernel/head.o
 else
-HEAD := arch/m68k/kernel/sun3-head.o
+head-y := arch/m68k/kernel/sun3-head.o
 endif 
 
 core-y				+= arch/m68k/kernel/	arch/m68k/mm/

arch/m68knommu/Makefile

@@ -84,7 +84,7 @@ CFLAGS += -DUTS_SYSNAME=\"uClinux\"
 
 LDFLAGS_BLOB	:= --format binary --oformat elf32-m68k
 
-HEAD := arch/m68knommu/platform/$(platform-y)/$(board-y)/crt0_$(model-y).o
+head-y := arch/m68knommu/platform/$(platform-y)/$(board-y)/crt0_$(model-y).o
 
 CLEAN_FILES := include/asm-$(ARCH)/asm-offsets.h.tmp \
 	       include/asm-$(ARCH)/asm-offsets.h \

arch/mips/Makefile

@@ -256,7 +256,7 @@ endif
 
 AFLAGS_vmlinux.lds.o := -DLOADADDR=$(LOADADDR)
 
-HEAD := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
+head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
 
 SUBDIRS := arch/mips/tools
 

arch/mips64/Makefile

@@ -128,7 +128,7 @@ endif
 
 LDFLAGS_vmlinux += -Ttext $(LOADADDR)
 
-HEAD := arch/mips64/kernel/head.o arch/mips64/kernel/init_task.o
+head-y := arch/mips64/kernel/head.o arch/mips64/kernel/init_task.o
 
 SUBDIRS		:= arch/mips64/tools $(SUBDIRS)
 core-y		+= arch/mips64/kernel/ arch/mips64/mm/

arch/parisc/Makefile

@@ -56,7 +56,6 @@ head-y			:= arch/parisc/kernel/head.o
 head-$(CONFIG_PARISC64)	:= arch/parisc/kernel/head64.o
 
 CFLAGS	+= $(cflags-y)
-HEAD	:= $(head-y)
 
 core-y	+= $(addprefix arch/parisc/, kernel/pdc_cons.o kernel/process.o   \
 		mm/ kernel/ hpux/ math-emu/ kernel/init_task.o )

arch/ppc/Makefile

@@ -36,15 +36,12 @@ ifdef CONFIG_MORE_COMPILE_OPTIONS
   CFLAGS += $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
 endif
 
-head-y				:= head.o
-head-$(CONFIG_8xx)		:= head_8xx.o
-head-$(CONFIG_4xx)		:= head_4xx.o
-head-$(CONFIG_440)		:= head_44x.o
+head-y				:= arch/ppc/kernel/head.o
+head-$(CONFIG_8xx)		:= arch/ppc/kernel/head_8xx.o
+head-$(CONFIG_4xx)		:= arch/ppc/kernel/head_4xx.o
+head-$(CONFIG_440)		:= arch/ppc/kernel/head_44x.o
 
-HEAD := arch/ppc/kernel/$(head-y)
-ifdef CONFIG_6xx
-  HEAD += arch/ppc/kernel/idle_6xx.o
-endif
+head-$(CONFIG_6xx)		+= arch/ppc/kernel/idle_6xx.o
 
 core-y				+= arch/ppc/kernel/ arch/ppc/platforms/ \
 				   arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/

arch/ppc64/Makefile

@@ -22,7 +22,7 @@ CFLAGS		+= -msoft-float -pipe \
 		-Wno-uninitialized -mminimal-toc -mtraceback=full \
 		-finline-limit-2000 -mcpu=power4
 
-HEAD := arch/ppc64/kernel/head.o
+head-y := arch/ppc64/kernel/head.o
 
 libs-y				+= arch/ppc64/lib/
 core-y				+= arch/ppc64/kernel/

arch/s390/Makefile

@@ -20,7 +20,7 @@ LDFLAGS_BLOB	:= --format binary --oformat elf32-s390
 
 CFLAGS += -pipe -fno-strength-reduce
 
-HEAD := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o
+head-y := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o
 
 core-y		+= arch/$(ARCH)/mm/ arch/$(ARCH)/kernel/
 libs-y		+= arch/$(ARCH)/lib/

arch/s390x/Makefile

@@ -21,7 +21,7 @@ LDFLAGS_BLOB	:= --format binary --oformat elf64-s390
 
 CFLAGS += -pipe -fno-strength-reduce
 
-HEAD := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o
+head-y := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o
 
 core-y		+= arch/$(ARCH)/mm/ arch/$(ARCH)/kernel/
 libs-y		+= arch/$(ARCH)/lib/

arch/sh/Makefile

@@ -53,7 +53,7 @@ endif
 #
 CFLAGS		+= -pipe
 
-HEAD := arch/sh/kernel/head.o arch/sh/kernel/init_task.o
+head-y := arch/sh/kernel/head.o arch/sh/kernel/init_task.o
 
 LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
 

arch/sparc/Makefile

@@ -37,7 +37,8 @@ endif
 #  Actual linking is done with "make image".
 LDFLAGS_vmlinux = -r
 
-HEAD := arch/sparc/kernel/head.o arch/sparc/kernel/init_task.o
+head-y := arch/sparc/kernel/head.o arch/sparc/kernel/init_task.o
+HEAD := $(head-y)
 
 core-y += arch/sparc/kernel/ arch/sparc/mm/ arch/sparc/math-emu/
 libs-y += arch/sparc/prom/ arch/sparc/lib/

arch/sparc64/Makefile

@@ -61,7 +61,7 @@ ifeq ($(CONFIG_MCOUNT),y)
   CFLAGS := $(CFLAGS) -pg
 endif
 
-HEAD := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
+head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
 
 core-y				+= arch/sparc64/kernel/ arch/sparc64/mm/
 core-$(CONFIG_SOLARIS_EMUL)	+= arch/sparc64/solaris/

arch/v850/Makefile

@@ -31,7 +31,7 @@ LDFLAGS_BLOB := -b binary --oformat elf32-little
 OBJCOPY_FLAGS_BLOB := -I binary -O elf32-little -B v850e
 
 
-HEAD := $(arch_dir)/kernel/head.o $(arch_dir)/kernel/init_task.o
+head-y := $(arch_dir)/kernel/head.o $(arch_dir)/kernel/init_task.o
 core-y += $(arch_dir)/kernel/
 libs-y += $(arch_dir)/lib/
 

arch/x86_64/Makefile

@@ -48,7 +48,7 @@ CFLAGS += -fno-reorder-blocks
 CFLAGS += -finline-limit=2000
 #CFLAGS += -g
 
-HEAD := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
+head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
 
 libs-y 					+= arch/x86_64/lib/
 core-y					+= arch/x86_64/kernel/ arch/x86_64/mm/