rockchip: Add core Soc start-up code for rv1108

RV1108 is embedded with an ARM Cortex-A7 single core and a DSP core
from Rockchip. It is designed for varies application scenario such
as car DVR, sports DV, secure camera and UAV camera.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index a8d745a..9b2ef29 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -79,6 +79,13 @@
 	  and video codec support. Peripherals include Gigabit Ethernet,
 	  USB2 host and OTG, SDIO, I2S, UARTs, SPI, I2C and PWMs.
 
+config ROCKCHIP_RV1108
+	bool "Support Rockchip RV1108"
+	select CPU_V7
+	help
+	  The Rockchip RV1108 is a ARM-based SoC with a single-core Cortex-A7
+	  and a DSP.
+
 config ROCKCHIP_SPL_BACK_TO_BROM
 	bool "SPL returns to bootrom"
 	default y if ROCKCHIP_RK3036
@@ -108,4 +115,5 @@
 source "arch/arm/mach-rockchip/rk3328/Kconfig"
 source "arch/arm/mach-rockchip/rk3368/Kconfig"
 source "arch/arm/mach-rockchip/rk3399/Kconfig"
+source "arch/arm/mach-rockchip/rv1108/Kconfig"
 endif