[PATCH] powerpc kbuild warning fix

From: Andrew Morton <akpm@osdl.org>

arch/powerpc/Kconfig:339:warning: leading whitespace ignored
arch/powerpc/Kconfig:347:warning: leading whitespace ignored
arch/powerpc/Kconfig:357:warning: leading whitespace ignored
arch/powerpc/Kconfig:373:warning: leading whitespace ignored
arch/powerpc/Kconfig:382:warning: leading whitespace ignored
arch/powerpc/Kconfig:394:warning: leading whitespace ignored
arch/powerpc/Kconfig:842:warning: leading whitespace ignored
arch/powerpc/Kconfig:847:warning: leading whitespace ignored

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>