Flatten the tree

It makes no sense to have directories with one file.

Change-Id: I65ba93dda5e6a4bcc5a7cc049c1378ebf5d6abcd
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2105
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>

src/arch/armv7/Makefile.inc

@@ -150,7 +150,7 @@ CFLAGS += \
 CFLAGS += -D__KERNEL__
 CFLAGS += -D__LINUX_ARM_ARCH__=7
 
-crt0s = $(src)/arch/armv7/init/init.S
+crt0s = $(src)/arch/armv7/init.S
 ldscripts =
 ldscripts += $(src)/arch/armv7/romstage.ld