kernel: move three accepted patches from pending to backports

311-MIPS-zboot-put-appended-dtb-into-a-section.patch
commit d2e850e96183 in kernel, part of v5.11

499-mtd-don-t-lock-when-recursively-deleting-partitions.patch
commit cb4543054c5c in kernel, part of v5.13

103-MIPS-select-CPU_MIPS64-for-remaining-MIPS64-CPUs.patch
commit 5a4fa44f5e1b in kernel, part of v5.13

Move them to backports folder to make maintainance easier.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

target/linux/generic/backport-5.10/499-v5.13-mtd-don-t-lock-when-recursively-deleting-partitions.patch

@@ -13,7 +13,7 @@ Signed-off-by: David Bauer <mail@david-bauer.net>
 
 --- a/drivers/mtd/mtdpart.c
 +++ b/drivers/mtd/mtdpart.c
-@@ -474,7 +474,7 @@ static int __del_mtd_partitions(struct m
+@@ -331,7 +331,7 @@ static int __del_mtd_partitions(struct m
  
  	list_for_each_entry_safe(child, next, &mtd->partitions, part.node) {
  		if (mtd_has_partitions(child))