kernel: update kernel 4.4 to version 4.4.47

Refresh patches for all targets that support kernel 4.4.
Compile-tested on all targets that use kernel 4.4 and aren't marked
broken, except arc770 and arch38 due to broken toolchain.

Runtime-tested on ar71xx, octeon, ramips and x86/64.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

target/linux/ramips/patches-4.4/997-ralink-Introduce-fw_passed_dtb-to-arch-mips-ralink.patch

@@ -1,6 +1,6 @@
 --- a/arch/mips/ralink/of.c
 +++ b/arch/mips/ralink/of.c
-@@ -81,13 +81,23 @@
+@@ -81,13 +81,23 @@ extern struct boot_param_header __image_
  
  void __init plat_mem_setup(void)
  {