kernel: update 4.9 to 4.9.44

Refresh patches.
Adapt 704-phy-no-genphy-soft-reset.patch.
Remove brcm2708/950-0005-mm-Remove-the-PFN-busy-warning.patch.
Compile-tested on brcm2708/bcm2708 and x86/64.
Runtime-tested on brcm2708/bcm2708 and x86/64.

Fixes the following vulnerabilities:
- CVE-2017-7533
- CVE-2017-1000111
- CVE-2017-1000112

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

target/linux/generic/hack-4.9/202-reduce_module_size.patch

@@ -11,8 +11,6 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  Makefile | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
-diff --git a/Makefile b/Makefile
-index a40b373eba3a..984eb5907d00 100644
 --- a/Makefile
 +++ b/Makefile
 @@ -407,7 +407,7 @@ KBUILD_CFLAGS_KERNEL :=
@@ -24,6 +22,3 @@ index a40b373eba3a..984eb5907d00 100644
  
  # Read KERNELRELEASE from include/config/kernel.release (if it exists)
  KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
--- 
-2.11.0
-