configs: stm32mp13: activate RNG support

Activate the RNG driver provided by OP-TEE.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
diff --git a/configs/stm32mp13_defconfig b/configs/stm32mp13_defconfig
index f5b6262..4707315 100644
--- a/configs/stm32mp13_defconfig
+++ b/configs/stm32mp13_defconfig
@@ -28,6 +28,7 @@
 CONFIG_CMD_MMC=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
+CONFIG_CMD_RNG=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_LOG=y
 CONFIG_OF_LIVE=y
@@ -45,6 +46,8 @@
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_DM_REGULATOR_SCMI=y
 CONFIG_RESET_SCMI=y
+CONFIG_DM_RNG=y
+CONFIG_RNG_OPTEE=y
 CONFIG_SERIAL_RX_BUFFER=y
 CONFIG_SYSRESET_PSCI=y
 CONFIG_TEE=y