arm: dts: Add new "generic" 66AK2Gx device tree file.

With U-boot runtime board detect for DTB selection a "default" dtb needs
to be created. This will be used temporarily until the "proper" dtb is
selected.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

arch/arm/dts/Makefile

@@ -372,7 +372,8 @@ dtb-$(CONFIG_ARCH_MX7ULP) += imx7ulp-evk.dtb
 dtb-$(CONFIG_SOC_KEYSTONE) += keystone-k2hk-evm.dtb \
 	keystone-k2l-evm.dtb \
 	keystone-k2e-evm.dtb \
-	keystone-k2g-evm.dtb
+	keystone-k2g-evm.dtb \
+	keystone-k2g-generic.dtb
 
 dtb-$(CONFIG_TARGET_AT91SAM9263EK) += at91sam9263ek.dtb
 

arch/arm/dts/keystone-k2g-generic-u-boot.dtsi

+/*
+ * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/{
+	soc {
+		u-boot,dm-pre-reloc;
+	};
+};
+
+&i2c0 {
+	u-boot,dm-pre-reloc;
+};
+
+&i2c1 {
+	u-boot,dm-pre-reloc;
+};

arch/arm/dts/keystone-k2g-generic.dts

+/*
+ * Device Tree Source for Generic 66AK2G0X EVM
+ *
+ * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/dts-v1/;
+
+#include "keystone-k2g.dtsi"
+
+/ {
+	compatible = "ti,k2g-generic", "ti,k2g", "ti,keystone";
+	model = "Texas Instruments 66AK2G02 Generic";
+
+	chosen {
+		stdout-path = &uart0;
+	};
+};
+
+&i2c0 {
+        status = "okay";
+};
+
+&i2c1 {
+        status = "okay";
+};