powerpc: Fix format string warning in arch/powerpc/boot/main.c

Fix format string warning in arch/powerpc/boot/main.c.  Also correct
a typo ("uncomressed") on the same line.

 BOOTCC  arch/powerpc/boot/main.o
arch/powerpc/boot/main.c: In function 'prep_kernel':
arch/powerpc/boot/main.c:65: warning: format '%08x' expects type
'unsigned int', but argument 3 has type 'long unsigned int'

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/boot/main.c

@@ -63,7 +63,7 @@ static struct addr_range prep_kernel(void)
 		 */
 		if ((unsigned long)_start < ei.loadsize)
 			fatal("Insufficient memory for kernel at address 0!"
-			       " (_start=%p, uncomressed size=%08x)\n\r",
+			       " (_start=%p, uncompressed size=%08lx)\n\r",
 			       _start, ei.loadsize);
 
 		if ((unsigned long)_end < ei.memsize)