kernel: bump 4.19 to 4.19.105

Refreshed all patches.

Fixes:
- CVE-2013-1798
- CVE-2019-3016

Compile-tested on: cns3xxx
Runtime-tested on: cns3xxx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>

target/linux/generic/hack-4.19/902-debloat_proc.patch

@@ -132,7 +132,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	do {								\
 --- a/ipc/msg.c
 +++ b/ipc/msg.c
-@@ -1291,6 +1291,9 @@ void __init msg_init(void)
+@@ -1292,6 +1292,9 @@ void __init msg_init(void)
  {
  	msg_init_ns(&init_ipc_ns);