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, 22 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0572-clk-requests-Ignore-if-the-pointer-is-null.patch b/target/linux/bcm27xx/patches-5.10/950-0572-clk-requests-Ignore-if-the-pointer-is-null.patch
new file mode 100644
index 0000000000..5ee8e71bda
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0572-clk-requests-Ignore-if-the-pointer-is-null.patch
@@ -0,0 +1,22 @@
+From 2a5ffbf8ad9d4881f90402b1b4d7f5c2ab7b89e6 Mon Sep 17 00:00:00 2001
+From: Maxime Ripard <maxime@cerno.tech>
+Date: Wed, 21 Apr 2021 12:14:44 +0200
+Subject: [PATCH] clk: requests: Ignore if the pointer is null
+
+Signed-off-by: Maxime Ripard <maxime@cerno.tech>
+---
+ drivers/clk/clk.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+--- a/drivers/clk/clk.c
++++ b/drivers/clk/clk.c
+@@ -2498,6 +2498,9 @@ void clk_request_done(struct clk_request
+ {
+ 	struct clk_core *core = req->clk->core;
+ 
++	if (!req)
++		return;
++
+ 	clk_prepare_lock();
+ 
+ 	list_del(&req->list);