dragonboards: Move common device.mk configs to device-common.mk

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Change-Id: I8ec9dbd971d7d7590d0342ca3e8bc3ddaa116c9c
3 files changed