kernel: Update kernel 4.14 to version 4.14.187

Fixes:
- CVE-2020-10757

The "mtd: rawnand: Pass a nand_chip object to nand_release()" commit was
backported which needed some adaptations to other code.

Build tested: ramips

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

target/linux/generic/hack-4.14/902-debloat_proc.patch

@@ -327,7 +327,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  
 --- a/net/core/sock.c
 +++ b/net/core/sock.c
-@@ -3387,6 +3387,8 @@ static __net_initdata struct pernet_oper
+@@ -3389,6 +3389,8 @@ static __net_initdata struct pernet_oper
  
  static int __init proto_init(void)
  {