[ARM PATCH] 1533/1: fix count when no preload support in copy_page

Patch from Nicolas Pitre

Of course, the PLD macro is always defined even if it's empty.
Without this fix anything below ARMv5 is broken.

arch/arm/lib/copy_page.S

@@ -13,11 +13,7 @@
 #include <asm/assembler.h>
 #include <asm/constants.h>
 
-#ifndef PLD
-#define COPY_COUNT PAGE_SZ/64
-#else
-#define COPY_COUNT PAGE_SZ/64-1
-#endif
+#define COPY_COUNT (PAGE_SZ/64 PLD( -1 ))
 
 		.text
 		.align	5