A previous patch disabled the SNVS power key by default which
breaks the ability for the imx6q-logicpd board to wake from sleep.
This patch re-enables this feature for this board.

Fixes: 770856f0 ("ARM: dts: imx6qdl: Enable SNVS power key according to board design")
Signed-off-by: NAdam Ford <aford173@gmail.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>