m68k: <asm/page.h> needs <linux/compiler.h>

m68k: <asm/page.h> needs <linux/compiler.h> because of __attribute_const__

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>