update include/asm/ gitignore after move

With the cpu include paths moved, the gitignore paths need updating.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Tested-by: Tom Rix <tom@bumblecow.com>

arch/.gitignore

+/*/include/asm/arch
+/*/include/asm/proc

include/.gitignore

 /autoconf.mk*
 /asm
-/asm-*/arch
-/asm-*/proc
 /bmp_logo.h
 /config.h
 /config.mk