arm: mvebu: turris_omnia: Enable DM_RTC and RTC_ARMADA38X

With this the date command is available on Turris Omnia.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Cc: Pali Rohár <pali@kernel.org>
Acked-by: Pali Rohár <pali@kernel.org>
1 file changed