Prevent hundreds of errors from "make symcheck". The prefix exit path

mechanism has changed anyway, and so must be rewritten, but at least doing
this makes the output of "make symcheck" more legible.

src/arch/i386/prefix/bImageprefix.S

 	.arch i386
 	.org	0
 	.section ".prefix", "ax", @progbits
-	.globl	_prefix
 _prefix:
 
 /* 
 	.long	bImage_gdt_48 - setup_code	# gdt base (filled in later)
 
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 	int	$0x19		/* should try to boot machine */
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous
 	

src/arch/i386/prefix/comprefix.S

 	.code16
 	.arch i386
 	.section ".prefix", "ax", @progbits
-	.globl _prefix
 
 /* Cheat a little with the relocations: .COM files are loaded at 0x100 */
 _prefix:
 	lret
 
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 	movw	$0x4c00,%ax		/* return to DOS */
 	int	$0x21			/* reach this on Quit */
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous
 

src/arch/i386/prefix/elf_dprefix.S

 
 	/* Dummy routines to satisfy the build */
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous

src/arch/i386/prefix/elfprefix.S

 
 	/* Dummy routines to satisfy the build */
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous

src/arch/i386/prefix/exeprefix.S

 	.code16
 	.arch i386
 	.section	".prefix", "ax", @progbits
-	.globl	_prefix
 
 _prefix:
 	.byte	'M', 'Z'
 	.short	0				/* fill */
 
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 	movw	$0x4c00,%ax		/* return to DOS */
 	int	$0x21			/* reach this on Quit */
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous
 

src/arch/i386/prefix/liloprefix.S

 	.arch i386
 	.org	0
 	.section ".prefix", "ax", @progbits
-	.globl	_prefix
 _prefix:
 
 /* 
 	ljmp	$(SYSSEG-(PREFIXSIZE/16)), $_start
 
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 	int	$0x19		/* should try to boot machine */
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous
 	

src/arch/i386/prefix/lmelf_dprefix.S

 
 	/* Dummy routines to satisfy the build */
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous

src/arch/i386/prefix/lmelf_prefix.S

 
 	/* Dummy routines to satisfy the build */
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous

src/arch/i386/prefix/nullprefix.S

 
 	.section ".prefix", "ax", @progbits
 	.code16
-	.globl	_prefix
 _prefix:
 
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous

src/arch/i386/prefix/pxeprefix.S

 	.arch i386
 	.org 0
 	.section ".prefix", "ax", @progbits
-	.globl _prefix
 /*****************************************************************************
  * Entry point:	set cs, ds, bp, print welcome message
  *****************************************************************************
 	jmp	_start			/* Run Etherboot */
 
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 	pushw	%cs			/* Set %ds, %bp for access to text */
 	popw	%ds
 	int	$0x10
 	jmp	1b
 2:	ret
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous
 

src/arch/i386/prefix/romprefix.S

 	.arch i386
 	.org 0
 	.section ".prefix", "ax", @progbits
-	.globl _prefix
 _prefix: 
 	.word 0xAA55			/* BIOS extension signature */
 size:	.byte 0				/* number of 512 byte blocks */
 	
 
 	.section ".text16", "ax", @progbits
-	.globl	prefix_exit
 prefix_exit:
 	popw	%ax			/* padding */
 	popw	%ax			/* %ax = exit code */
 	int	$BOOT_INT		/* Try original vector */
 2:	/* Exit via int $0x18 */
 	int	$0x18			/* As per BIOS Boot Spec, next dev */
-	.globl	prefix_exit_end
 prefix_exit_end:
 	.previous