arm64: dts: imx8-apalis: set wifi regulator to always-on

[ Upstream commit 04179605

 ]

Make sure that the wifi regulator is always on. The wifi driver itself
puts the wifi module into suspend mode. If we cut the power the driver
will crash when resuming from suspend.

Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Fixes: ad0de4ce

 ("arm64: dts: freescale: add initial apalis imx8 aka quadmax module support")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>