arm64: dts: lx2160a: add cpu idle support

lx2160a supports pw20 which could help save more power during cpu is
dile. It needs system firmware support via PSCI.

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Ran Wang 2019-04-18 03:42:25 +00:00 • committed by Shawn Guo
commit 00c5ce8ac0