bcm27xx: update to latest patches from RPi foundation

Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0471-ARM-dts-bcm2711-Add-32-bit-PMU-compatibility.patch b/target/linux/bcm27xx/patches-5.4/950-0471-ARM-dts-bcm2711-Add-32-bit-PMU-compatibility.patch
new file mode 100644
index 0000000000..f549e73fd3
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0471-ARM-dts-bcm2711-Add-32-bit-PMU-compatibility.patch
@@ -0,0 +1,27 @@
+From e25d9a93812847b4ddc9e883d0cd45b32f8e2f76 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.com>
+Date: Tue, 17 Mar 2020 16:39:07 +0000
+Subject: [PATCH] ARM: dts: bcm2711: Add 32-bit PMU compatibility
+
+The "arm" architecture has no support for the cortex-a72 as such, but
+the performance and measurement unit from the cortex-a15 seems to be
+compatible.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+---
+ arch/arm/boot/dts/bcm2711-rpi.dtsi | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+--- a/arch/arm/boot/dts/bcm2711-rpi.dtsi
++++ b/arch/arm/boot/dts/bcm2711-rpi.dtsi
+@@ -12,6 +12,10 @@
+ 		sd_poll_once = <&emmc2>, "non-removable?";
+ 	};
+ 
++	arm-pmu {
++		compatible = "arm,cortex-a72-pmu", "arm,cortex-a15-pmu";
++	};
++
+ 	v3dbus {
+ 		compatible = "simple-bus";
+ 		#address-cells = <1>;