rockchip: defconfig: puma-rk3399: enable OF_LIVE (live tree)

With the critical drivers ready for switching to a live tree, we can
now enable it in the defconfig for the RK3399-Q7.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

configs/puma-rk3399_defconfig

@@ -35,6 +35,7 @@ CONFIG_CMD_TIME=y
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_LIVE=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_REGMAP=y