Linux 4.19.74

Merge 48 patches from 4.19.74 stable
branch (51 total) beside 3 already merged patches:
6e60900 KVM: x86: work around leak of uninitialized stack contents
e1666bc driver core: Fix use-after-free and double free on glue directory
3622d62 rsi: fix a double free bug in rsi_91x_deinit()
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

Makefile

 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 19
-SUBLEVEL = 73
+SUBLEVEL = 74
 EXTRAVERSION =
 NAME = "People's Front"