xtensa: Shuffle include statements to fix linker script

The linker script was including assembly macros from the coprocessor
header file that is not otherwise used by the script.
Signed-off-by: Chris Zankel <chris@zankel.net>

arch/xtensa/include/asm/elf.h

@@ -14,6 +14,7 @@
 #define _XTENSA_ELF_H
 
 #include <asm/ptrace.h>
+#include <asm/coprocessor.h>
 
 /* Xtensa processor ELF architecture-magic number */
 

arch/xtensa/include/asm/pgalloc.h

@@ -14,6 +14,7 @@
 #ifdef __KERNEL__
 
 #include <linux/highmem.h>
+#include <linux/slab.h>
 
 /*
  * Allocating and freeing a pmd is trivial: the 1-entry pmd is

arch/xtensa/include/asm/processor.h

@@ -12,7 +12,6 @@
 #define _XTENSA_PROCESSOR_H
 
 #include <variant/core.h>
-#include <asm/coprocessor.h>
 #include <platform/hardware.h>
 
 #include <linux/compiler.h>

arch/xtensa/include/asm/ptrace.h

@@ -77,6 +77,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <asm/coprocessor.h>
+
 /*
  * This struct defines the way the registers are stored on the
  * kernel stack during a system call or other kernel entry.

arch/xtensa/kernel/asm-offsets.c

@@ -13,6 +13,7 @@
  */
 
 #include <asm/processor.h>
+#include <asm/coprocessor.h>
 
 #include <linux/types.h>
 #include <linux/stddef.h>

arch/xtensa/kernel/entry.S

@@ -16,6 +16,7 @@
 #include <linux/linkage.h>
 #include <asm/asm-offsets.h>
 #include <asm/processor.h>
+#include <asm/coprocessor.h>
 #include <asm/thread_info.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>