m68k: convert to use __HEAD and HEAD_TEXT macros.

This has the consequence of changing the section name use for head
code from ".text.head" to ".head.text".  Since this commit changes all
users in the architecture, this change should be harmless.

Signed-off-by: Tim Abbott <tabbott@mit.edu>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/m68k/kernel/head.S

@@ -577,7 +577,7 @@ func_define	putn,1
 #endif
 .endm
 
-.section ".text.head","ax"
+__HEAD
 ENTRY(_stext)
 /*
  * Version numbers of the bootinfo interface

arch/m68k/kernel/sun3-head.S

@@ -29,7 +29,7 @@ kernel_pmd_table:              .skip 0x2000
 .globl kernel_pg_dir
 .equ    kernel_pg_dir,kernel_pmd_table
 
-	.section .text.head
+	__HEAD
 ENTRY(_stext)
 ENTRY(_start)
 

arch/m68k/kernel/vmlinux-std.lds

@@ -12,7 +12,7 @@ SECTIONS
   . = 0x1000;
   _text = .;			/* Text and read-only data */
   .text : {
-	*(.text.head)
+	HEAD_TEXT
 	TEXT_TEXT
 	SCHED_TEXT
 	LOCK_TEXT

arch/m68k/kernel/vmlinux-sun3.lds

@@ -12,7 +12,7 @@ SECTIONS
   . = 0xE002000;
   _text = .;			/* Text and read-only data */
   .text : {
-	*(.text.head)
+	HEAD_TEXT
 	TEXT_TEXT
 	SCHED_TEXT
 	LOCK_TEXT