ANDROID: GKI: amlogic: add DTB overlays

Add Android DTB overlays for sei510, sei610, VIM3 and VIM3L.

Copied from yukawa v5.10 kernel
- repo: kernel/hikey-linaro
- branch: amlogic-bmeson-5.10

Bug: 179406580
Change-Id: Ie257351f7dec6765feb162dff014eb1d97eb1039
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3-android.dts

@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+  compatible = "khadas,vim3", "amlogic,a311d", "amlogic,g12b";
+  model = "Khadas VIM3";
+  fragment@101 {
+        target-path = "/";
+        __overlay__ {
+                reserved-memory {
+                        #address-cells = <2>;
+                        #size-cells = <2>;
+                        ramoops@d000000 {
+                                compatible = "ramoops";
+                                reg = <0x0 0x0d000000 0x0 0x00100000>;
+                                record-size = <0x8000>;
+                                console-size = <0x8000>;
+                                ftrace-size = <0x0>;
+                                pmsg-size = <0x8000>;
+                        };
+                };
+
+        };
+  };
+};
+
+&vcc_5v {
+	gpio-open-drain;
+};
+
+&uart_C {
+        status = "okay";
+        pinctrl-0 = <&uart_c_pins>;
+        pinctrl-names = "default";
+};
+
+&emmc_pwrseq{
+	status = "okay";
+};
+
+&sd_emmc_a {
+     /* WiFi firmware requires power to be kept while in suspend */
+    keep-power-in-suspend;
+};