kbuild: change ld_flags to contain LDFLAGS_$(@F)

Put $(LDFLAGS_$(@F)) into ld_flags so that $(LDFLAGS_pcap.o) and
$(LDFLAGS_vde.o) in arch/um/drivers/Makefile are absorbed.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

arch/um/drivers/Makefile

@@ -25,10 +25,10 @@ LDFLAGS_vde.o := -r $(shell $(CC) $(CFLAGS) -print-file-name=libvdeplug.a)
 targets := pcap_kern.o pcap_user.o vde_kern.o vde_user.o
 
 $(obj)/pcap.o: $(obj)/pcap_kern.o $(obj)/pcap_user.o
-	$(LD) -r -dp -o $@ $^ $(LDFLAGS) $(LDFLAGS_pcap.o)
+	$(LD) -r -dp -o $@ $^ $(ld_flags)
 
 $(obj)/vde.o: $(obj)/vde_kern.o $(obj)/vde_user.o
-	$(LD) -r -dp -o $@ $^ $(LDFLAGS) $(LDFLAGS_vde.o)
+	$(LD) -r -dp -o $@ $^ $(ld_flags)
 
 #XXX: The call below does not work because the flags are added before the
 # object name, so nothing from the library gets linked.

scripts/Makefile.lib

@@ -162,7 +162,7 @@ a_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
 cpp_flags      = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
 		 $(__cpp_flags)
 
-ld_flags       = $(LDFLAGS) $(ldflags-y)
+ld_flags       = $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F))
 
 DTC_INCLUDE    := $(srctree)/scripts/dtc/include-prefixes
 
@@ -225,7 +225,7 @@ $(obj)/%: $(src)/%_shipped
 # ---------------------------------------------------------------------------
 
 quiet_cmd_ld = LD      $@
-cmd_ld = $(LD) $(ld_flags) $(LDFLAGS_$(@F)) $(filter-out FORCE,$^) -o $@
+cmd_ld = $(LD) $(ld_flags) $(filter-out FORCE,$^) -o $@
 
 # Objcopy
 # ---------------------------------------------------------------------------