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/pending-4.9/201-extra_optimization.patch

@@ -12,11 +12,9 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  Makefile | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)
 
-diff --git a/Makefile b/Makefile
-index 598494bc9a4b..1f02ac9b571a 100644
 --- a/Makefile
 +++ b/Makefile
-@@ -637,12 +637,12 @@ KBUILD_CFLAGS	+= $(call cc-option,-fdata-sections,)
+@@ -639,12 +639,12 @@ KBUILD_CFLAGS	+= $(call cc-option,-fdata
  endif
  
  ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
@@ -32,6 +30,3 @@ index 598494bc9a4b..1f02ac9b571a 100644
  endif
  endif
  
--- 
-2.11.0
-