rockchip: rk3399: Enable SPL_BOARD_INIT

Enable SPL_BOARD_INIT globally to rk3399, this would
help to print the SPL banner during bootup.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 3e38344..14e9d81 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -165,6 +165,7 @@
 	select SPL
 	select SPL_ATF
 	select SPL_ATF_NO_PLATFORM_PARAM if SPL_ATF
+	select SPL_BOARD_INIT if SPL
 	select SPL_LOAD_FIT
 	select SPL_CLK if SPL
 	select SPL_PINCTRL if SPL