Merge tag 'arm-soc/for-6.8/devicetree' of https://github.com/Broadcom/stblinux into soc/dt

This pull request contains Broadcom ARM-based SoCs Device Tree changes
for 6.8, please pull the following:

- Rafal adds a Device Tree node for the BCM63138 high-speed UART used
  for Bluetooth devices

* tag 'arm-soc/for-6.8/devicetree' of https://github.com/Broadcom/stblinux:
  ARM: dts: broadcom: Add BCM63138's high speed UART

Link: https://lore.kernel.org/r/20231228085822.3656546-1-florian.fainelli@broadcom.comSigned-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/broadcom/bcm63138.dtsi

@@ -232,6 +232,12 @@ nand_controller: nand-controller@2000 {
 			interrupt-names = "nand";
 		};
 
+		serial@4400 {
+			compatible = "brcm,bcm63138-hs-uart", "brcm,bcmbca-hs-uart";
+			reg = <0x4400 0x1e0>;
+			interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 		bootlut: bootlut@8000 {
 			compatible = "brcm,bcm63138-bootlut";
 			reg = <0x8000 0x50>;