kernel: bump 5.15 to 5.15.74

All patches automatically rebased.

Build system: x86_64
Build-tested: bcm2711/RPi4B, mt7622/RT3200
Run-tested: bcm2711/RPi4B, mt7622/RT3200

Signed-off-by: John Audia <therealgraysky@proton.me>

target/linux/bcm53xx/patches-5.15/315-ARM-dts-BCM5301X-Extend-RAM-to-full-256MB-for-Linksy.patch

@@ -13,11 +13,9 @@ Signed-off-by: Aleksey Nasibulin <alealexpro100@ya.ru>
  arch/arm/boot/dts/bcm4708-linksys-ea6500-v2.dts | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)
 
-diff --git a/arch/arm/boot/dts/bcm4708-linksys-ea6500-v2.dts b/arch/arm/boot/dts/bcm4708-linksys-ea6500-v2.dts
-index f1412ba83def..0454423fe166 100644
 --- a/arch/arm/boot/dts/bcm4708-linksys-ea6500-v2.dts
 +++ b/arch/arm/boot/dts/bcm4708-linksys-ea6500-v2.dts
-@@ -19,7 +19,8 @@ chosen {
+@@ -19,7 +19,8 @@
  
  	memory@0 {
  		device_type = "memory";
@@ -27,6 +25,3 @@ index f1412ba83def..0454423fe166 100644
  	};
  
  	gpio-keys {
--- 
-2.30.2
-