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, 35 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0693-drm-vc4-remove-unneeded-variable-ret.patch b/target/linux/bcm27xx/patches-5.10/950-0693-drm-vc4-remove-unneeded-variable-ret.patch
new file mode 100644
index 0000000000..be7a81145c
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0693-drm-vc4-remove-unneeded-variable-ret.patch
@@ -0,0 +1,35 @@
+From c0cfa3ce26baee0eb323481244e5a7f7a88db207 Mon Sep 17 00:00:00 2001
+From: Bernard Zhao <bernard@vivo.com>
+Date: Tue, 2 Feb 2021 04:23:38 -0800
+Subject: [PATCH] drm/vc4: remove unneeded variable: "ret"
+
+remove unneeded variable: "ret".
+
+Signed-off-by: Bernard Zhao <bernard@vivo.com>
+Signed-off-by: Maxime Ripard <maxime@cerno.tech>
+Link: https://patchwork.freedesktop.org/patch/msgid/20210202122338.15351-1-bernard@vivo.com
+(cherry picked from commit f0c5a89e534b43bfef8e7bf7baa5624cd84e1e18)
+Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
+---
+ drivers/gpu/drm/vc4/vc4_gem.c | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_gem.c
++++ b/drivers/gpu/drm/vc4/vc4_gem.c
+@@ -1026,7 +1026,6 @@ int vc4_queue_seqno_cb(struct drm_device
+ 		       void (*func)(struct vc4_seqno_cb *cb))
+ {
+ 	struct vc4_dev *vc4 = to_vc4_dev(dev);
+-	int ret = 0;
+ 	unsigned long irqflags;
+ 
+ 	cb->func = func;
+@@ -1041,7 +1040,7 @@ int vc4_queue_seqno_cb(struct drm_device
+ 	}
+ 	spin_unlock_irqrestore(&vc4->job_lock, irqflags);
+ 
+-	return ret;
++	return 0;
+ }
+ 
+ /* Scheduled when any job has been completed, this walks the list of