arm: dts: Change downstream vchiq compatible string

The new cache line size mechanism requires a different vchiq compatible
string on BCM2836 and BCM2837, but the downstream dts files didn't
inherit the upstream changes.

See: #2643

Signed-off-by: Phil Elwell <[email protected]>

Author: Phil Elwell

arch/arm/boot/dts/bcm2708-rpi.dtsi

@@ -68,7 +68,7 @@
 			status = "disabled";
 		};
 
-		mailbox@7e00b840 {
+		vchiq: mailbox@7e00b840 {
 			compatible = "brcm,bcm2835-vchiq";
 			reg = <0x7e00b840 0x3c>;
 			interrupts = <0 2>;

arch/arm/boot/dts/bcm2709-rpi.dtsi

@@ -0,0 +1,5 @@
+#include "bcm2708-rpi.dtsi"
+
+&vchiq {
+	compatible = "brcm,bcm2836-vchiq", "brcm,bcm2835-vchiq";
+};

arch/arm/boot/dts/bcm2709.dtsi

@@ -1,6 +1,6 @@
 #include "bcm2836.dtsi"
 #include "bcm270x.dtsi"
-#include "bcm2708-rpi.dtsi"
+#include "bcm2709-rpi.dtsi"
 
 / {
 	soc {

arch/arm/boot/dts/bcm2710.dtsi

@@ -1,6 +1,6 @@
 #include "bcm2837.dtsi"
 #include "bcm270x.dtsi"
-#include "bcm2708-rpi.dtsi"
+#include "bcm2709-rpi.dtsi"
 
 / {
 	compatible = "brcm,bcm2837", "brcm,bcm2836";