video: meson: keep power domain up after booting

Add driver flag to skip power domain disabling on device removal.

Fixes: 52edfed6 ("dm: core: device: switch off power domain after device removal")
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Guillaume La Roque <glaroque@baylibre.com>