This commit enables standby support on Armada 385 DB-AP board, because
the PM initalization routine requires "marvell,armada380" compatible
string for all Armada 38x-based platforms.
Beside the compatible "marvell,armada38x" was wrong and should be fixed
in the stable kernels too.
[gregory.clement@free-electrons.com: add information, about the fixes] Fixes: c4d2ee2491ad6 ("ARM: mvebu: Add Armada 385 Access Point
Development Board support") Signed-off-by: Marcin Wojtas <mw@semihalf.com> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Cc: <stable@vger.kernel.org>