[POWERPC] bootwrapper: Move linker symbols into ops.h

Most of these were previously used by numerous C files and
redeclared in each one.

Signed-off-by: Scott Wood <[e-mail]>
Signed-off-by: Paul Mackerras <[e-mail]>

arch/powerpc/boot/cuboot-83xx.c

···
 #include "ppcboot.h"
 
 static bd_t bd;
-extern char _dtb_start[], _dtb_end[];
 
 static void platform_fixups(void)
 {

arch/powerpc/boot/cuboot-85xx.c

···
 #include "ppcboot.h"
 
 static bd_t bd;
-extern char _dtb_start[], _dtb_end[];
 
 static void platform_fixups(void)
 {

arch/powerpc/boot/cuboot.c

···
 
 #include "ppcboot.h"
 
-extern char _end[];
-extern char _dtb_start[], _dtb_end[];
-
 void cuboot_init(unsigned long r4, unsigned long r5,
 		 unsigned long r6, unsigned long r7,
 		 unsigned long end_of_ram)

arch/powerpc/boot/ebony.c

···
 #include "4xx.h"
 #include "44x.h"
 
-extern char _dtb_start[];
-extern char _dtb_end[];
-
 static u8 *ebony_mac0, *ebony_mac1;
 
 /* Calculate 440GP clocks */

arch/powerpc/boot/holly.c

···
 #include "ops.h"
 #include "io.h"
 
-extern char _start[];
-extern char _end[];
-extern char _dtb_start[];
-extern char _dtb_end[];
-
 BSS_STACK(4096);
 
 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5)

arch/powerpc/boot/main.c

···
 #include "flatdevtree.h"
 #include "reg.h"
 
-extern char _start[];
-extern char __bss_start[];
-extern char _end[];
-extern char _vmlinux_start[];
-extern char _vmlinux_end[];
-extern char _initrd_start[];
-extern char _initrd_end[];
-extern char _dtb_start[];
-extern char _dtb_end[];
-
 static struct gunzip_state gzstate;
 
 struct addr_range {

arch/powerpc/boot/of.c

···
 
 #include "of.h"
 
-extern char _end[];
-
 /* Value picked to match that used by yaboot */
 #define PROG_START	0x01400000	/* only used on 64-bit systems */
 #define RAM_END		(512<<20)	/* Fixme: use OF */

arch/powerpc/boot/ops.h

···
 extern unsigned long timebase_period_ns;
 void udelay(long delay);
 
+extern char _start[];
+extern char __bss_start[];
+extern char _end[];
+extern char _vmlinux_start[];
+extern char _vmlinux_end[];
+extern char _initrd_start[];
+extern char _initrd_end[];
+extern char _dtb_start[];
+extern char _dtb_end[];
+
 #endif /* _PPC_BOOT_OPS_H_ */

arch/powerpc/boot/prpmc2800.c

···
 #include "gunzip_util.h"
 #include "mv64x60.h"
 
-extern char _end[];
-extern char _vmlinux_start[], _vmlinux_end[];
-extern char _dtb_start[], _dtb_end[];
-
 #define KB	1024U
 #define MB	(KB*KB)
 #define GB	(KB*MB)

arch/powerpc/boot/ps3.c

···
 
 void platform_init(void)
 {
-	extern char _end[];
-	extern char _dtb_start[];
-	extern char _initrd_start[];
-	extern char _initrd_end[];
 	const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */
 	void *chosen;
 	unsigned long ft_addr;

arch/powerpc/boot/treeboot-ebony.c

···
 #include "stdio.h"
 #include "44x.h"
 
-extern char _end[];
-
 BSS_STACK(4096);
 
 #define OPENBIOS_MAC_BASE	0xfffffe0c