Linux 4.19.186

Merge 19 patches from 4.19.186 stable
branch (19 total) beside 0 already merged patches.
Tested-by: NGuenter Roeck <linux@roeck-us.net>
Tested-by: NJason Self <jason@bluehome.net>
Tested-by: NLinux Kernel Functional Testing <lkft@linaro.org>
Link: https://lore.kernel.org/r/20210409095301.525783608@linuxfoundation.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

Makefile

 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 19
-SUBLEVEL = 185
+SUBLEVEL = 186
 EXTRAVERSION =
 NAME = "People's Front"