Linux 4.19.48

Merge 32 patches from 4.19.48 stable
branch (33 total) beside 1 already merged patches:
7533287 compiler.h: give up __compiletime_assert_fallback()
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

Makefile

 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 19
-SUBLEVEL = 47
+SUBLEVEL = 48
 EXTRAVERSION =
 NAME = "People's Front"