greybus: makefile: add power_supply config check

Add check for POWER_SUPPLY config option to guarantee that it is enabled.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Rui Miguel Silva 2015-11-12 15:36:01 +00:00 • committed by Greg Kroah-Hartman
commit 783e373a9f