rockchip: Kconfig: move ROCKCHIP_BOOT_MODE_REG to soc Kconfig

Rockchip SoCs have different ROCKCHIP_BOOT_MODE_REG value,
move it to SoC's own Kconfig, and add address for rk3128 and
rk3328 so that all SoCs have available address.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/rk322x/Kconfig b/arch/arm/mach-rockchip/rk322x/Kconfig
index cffb531..60e99a7 100644
--- a/arch/arm/mach-rockchip/rk322x/Kconfig
+++ b/arch/arm/mach-rockchip/rk322x/Kconfig
@@ -5,6 +5,9 @@
 	bool "EVB_RK3229"
 	select BOARD_LATE_INIT
 
+config ROCKCHIP_BOOT_MODE_REG
+	default 0x110005c8
+
 config SYS_SOC
 	default "rk322x"