arm64: tegra: Add BPMP node for Tegra210

The Tegra210 soc supports bpmp offload for power management among other
things. This was considered insecure partway through the soc's lifecycle
and support was removed in the bootloader. However, Tegra210B01 returned
to using the bpmp. Plus old bootloaders on the original Tegra210 still
work with the existing driver. So add the node to the common Tegra210
soc dtsi, but disabled by default.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>

arch/arm64/boot/dts/nvidia/tegra210.dtsi

@@ -958,6 +958,19 @@
 		status = "disabled";
 	};
 
+	bpmp: bpmp@70016000 {
+		compatible = "nvidia,tegra210-bpmp";
+		reg = <0x0 0x70016000 0x0 0x2000
+		       0x0 0x60001000 0x0 0x1000>;
+		status = "disabled";
+
+		interrupts = <GIC_SPI 6 IRQ_TYPE_EDGE_RISING>,
+			     <GIC_SPI 4 IRQ_TYPE_EDGE_RISING>;
+		interrupt-names = "tx", "rx";
+
+		#clock-cells = <1>;
+	};
+
 	mc: memory-controller@70019000 {
 		compatible = "nvidia,tegra210-mc";
 		reg = <0x0 0x70019000 0x0 0x1000>;