build: Pick up multiple CONFIG_ARCH_ targets from defconfig for Android

Change Android kernel build makefile to pick up multiple CONFIG_ARCH_
options for device tree targets.  These options are used to indicate the
DTS file(s) to compile.

Change-Id: I25ea8072f428171b21c056177ea5fec1be660aa3
Signed-off-by: David Ng <dave@codeaurora.org>
1 file changed