rockchip: add evb_rk3229 board

evb_rk3229 is a RK3229 based board, with:
- 8GB eMMC;
- 1GB DDR SDRAM;
- 2 USB2.0 HOST port;
- 1 MAC port;
- 1 HDMI port;
- IR;
- WiFi;

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 33bd17f..bb44c61 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -124,6 +124,7 @@
 
 source "arch/arm/mach-rockchip/rk3036/Kconfig"
 source "arch/arm/mach-rockchip/rk3188/Kconfig"
+source "arch/arm/mach-rockchip/rk322x/Kconfig"
 source "arch/arm/mach-rockchip/rk3288/Kconfig"
 source "arch/arm/mach-rockchip/rk3328/Kconfig"
 source "arch/arm/mach-rockchip/rk3368/Kconfig"