Linux 4.19.139

Merge 48 patches from 4.19.139 stable
branch (49 total) beside 1 already merged patches:
61219546f303 vgacon: Fix for missing check in scrollback handling
Tested-by: NShuah Khan <skhan@linuxfoundation.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

Makefile

 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 19
-SUBLEVEL = 138
+SUBLEVEL = 139
 EXTRAVERSION =
 NAME = "People's Front"