Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/src/arm/broadcom/bcm4709.dtsi b/src/arm/broadcom/bcm4709.dtsi
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+++ b/src/arm/broadcom/bcm4709.dtsi
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright (C) 2016 Rafał Miłecki <rafal@milecki.pl>
+ */
+
+#include "bcm4708.dtsi"
+
+&uart0 {
+	clock-frequency = <125000000>;
+	status = "okay";
+};
+
+&srab {
+	compatible = "brcm,bcm53012-srab", "brcm,bcm5301x-srab";
+};