soc: rockchip: add CPU_XXX config

For build kernel only support the given CPU.

Change-Id: I3d4790779d0ad0ecff6661ffb0b70e2df287fd5a
Signed-off-by: Tao Huang <huangtao@rock-chips.com>

drivers/soc/rockchip/Kconfig

@@ -1,5 +1,7 @@
 if ARCH_ROCKCHIP || COMPILE_TEST
 
+source "drivers/soc/rockchip/Kconfig.cpu"
+
 #
 # Rockchip Soc drivers
 #

drivers/soc/rockchip/Kconfig.cpu

@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0
+
+menu "CPU selection"
+	depends on ARCH_ROCKCHIP && ARM
+
+config CPU_RK312X
+	bool "RK3126/8"
+	default y
+
+config CPU_RK3036
+	bool "RK3036"
+	default y
+
+config CPU_RK30XX
+	bool "RK3066/8"
+	default y
+
+config CPU_RK3188
+	bool "RK3188"
+	default y
+
+config CPU_RK3288
+	bool "RK3288"
+	default y
+
+config CPU_RK322X
+	bool "RK3228/9"
+	default y
+
+config CPU_RV110X
+	bool "RV1107/8"
+	default y
+
+endmenu
+
+menu "CPU selection"
+	depends on ARCH_ROCKCHIP && ARM64
+
+config CPU_PX30
+	bool "PX30"
+	default y
+
+config CPU_RK3308
+	bool "RK3308"
+	default y
+
+config CPU_RK3328
+	bool "RK3328"
+	default y
+
+config CPU_RK3366
+	bool "RK3366"
+	default y
+
+config CPU_RK3368
+	bool "RK3368"
+	default y
+
+config CPU_RK3399
+	bool "RK3399"
+	default y
+
+endmenu