arm64: dts: sdm845: add oneplus6/6t devices

Add initial support for the OnePlus 6 (enchilada) and 6T (fajita) based
on the sdm845-mtp DT with the following functionality:

 * Touch
 * Display
 * GPU
 * Wlan and Bluetooth
 * USB peripheral mode
 * Remoteproc
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Caleb Connolly <caleb@connolly.tech>
Link: https://lore.kernel.org/r/20210114203057.64541-2-caleb@connolly.techSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/Makefile

@@ -44,6 +44,8 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-cheza-r2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-cheza-r3.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-db845c.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-mtp.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-oneplus-enchilada.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-oneplus-fajita.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-xiaomi-beryllium.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-lenovo-yoga-c630.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8150-hdk.dtb

arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * SDM845 OnePlus 6 (enchilada) device tree.
+ *
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#include "sdm845-oneplus-common.dtsi"
+
+/ {
+	model = "OnePlus 6";
+	compatible = "oneplus,enchilada", "qcom,sdm845";
+};
+
+&display_panel {
+	status = "okay";
+
+	compatible = "samsung,sofef00";
+};

arch/arm64/boot/dts/qcom/sdm845-oneplus-fajita.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * SDM845 OnePlus 6T (fajita) device tree.
+ *
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#include "sdm845-oneplus-common.dtsi"
+
+/ {
+	model = "OnePlus 6T";
+	compatible = "oneplus,fajita", "qcom,sdm845";
+};
+
+&display_panel {
+	status = "okay";
+
+	compatible = "samsung,s6e3fc2x01";
+};
+
+&rmi4_f12 {
+	touchscreen-y-mm = <148>;
+};