arm64: dts: meson-axg: add secure monitor

Add the secure monitor device to the axg platform.
With this, we can read the SoC serial number.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Jerome Brunet 2018-11-08 14:07:44 +01:00 • committed by Kevin Hilman
commit 96dc5702ac