arm64: dts: rockchip: Sync px30 from linux-next

Sync the px30 devicetree files from linux-next tree.

commit <14ce8069f48b> ("lib/stackdepot: allow optional init and
stack_table allocation by kvmalloc() - fixup3")

Note, this path even sync rk3326 files as it depends on px30.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/px30-engicam-px30-core-ctouch2.dts b/arch/arm/dts/px30-engicam-px30-core-ctouch2.dts
new file mode 100644
index 0000000..5a0ecb8
--- /dev/null
+++ b/arch/arm/dts/px30-engicam-px30-core-ctouch2.dts
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020 Fuzhou Rockchip Electronics Co., Ltd
+ * Copyright (c) 2020 Engicam srl
+ * Copyright (c) 2020 Amarula Solutions
+ * Copyright (c) 2020 Amarula Solutions(India)
+ */
+
+/dts-v1/;
+#include "px30.dtsi"
+#include "px30-engicam-ctouch2.dtsi"
+#include "px30-engicam-px30-core.dtsi"
+
+/ {
+	model = "Engicam PX30.Core C.TOUCH 2.0";
+	compatible = "engicam,px30-core-ctouch2", "engicam,px30-core",
+		     "rockchip,px30";
+
+	chosen {
+		stdout-path = "serial2:115200n8";
+	};
+};