bcm27xx: add kernel 5.10 support

Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

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

1 files changed, 31 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0609-dtoverlays-Update-__symbols__-i2c0-from-i2c0-overlay.patch b/target/linux/bcm27xx/patches-5.10/950-0609-dtoverlays-Update-__symbols__-i2c0-from-i2c0-overlay.patch
new file mode 100644
index 0000000000..7bb7f1e413
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0609-dtoverlays-Update-__symbols__-i2c0-from-i2c0-overlay.patch
@@ -0,0 +1,31 @@
+From a21652bfb50b240936124de0dbc288418106e5de Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Wed, 12 May 2021 16:47:05 +0100
+Subject: [PATCH] dtoverlays: Update /__symbols__/i2c0 from i2c0
+ overlay
+
+Update the symbol as well as the alias so that other overlays will
+then be applied against the right node.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ arch/arm/boot/dts/overlays/i2c0-overlay.dts | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+--- a/arch/arm/boot/dts/overlays/i2c0-overlay.dts
++++ b/arch/arm/boot/dts/overlays/i2c0-overlay.dts
+@@ -65,6 +65,14 @@
+ 			i2c0 = "/soc/i2c@7e205000";
+ 		};
+ 	};
++
++	fragment@8 {
++		target-path = "/__symbols__";
++		__overlay__ {
++			i2c0 = "/soc/i2c@7e205000";
++		};
++	};
++
+ 	__overrides__ {
+ 		pins_0_1   = <0>,"+1-2-3-4";
+ 		pins_28_29 = <0>,"-1+2-3-4";