Linux 4.19.76

Merge 59 patches from 4.19.76 stable
branch (64 total) beside 5 already merged patches:
6debda97 net/mlx5e: Set ECN for received packets using CQE indication
44da025 net/mlx5e: don't set CHECKSUM_COMPLETE on SCTP packets
8da68f7 mlx5: fix get_ip_proto()
9423770 locking/lockdep: Add debug_locks check in __lock_downgrade()
313efb2 blk-mq: change gfp flags to GFP_NOIO in blk_mq_realloc_hw_ctxs
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

Makefile

 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 19
-SUBLEVEL = 75
+SUBLEVEL = 76
 EXTRAVERSION =
 NAME = "People's Front"