MIPS: BMIPS: dts: Add uart device nodes to bcm7xxx platforms

Add two uart device nodes known as the uart1 and uart2 for the bcm7xxx
platforms.

Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9991/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/boot/dts/brcm/bcm97346dbsmb.dts

@@ -21,6 +21,14 @@
 	status = "okay";
 };
 
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
 &enet0 {
 	status = "okay";
 };