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-4.9/206-mips-disable-vdso.patch

@@ -7,8 +7,6 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  arch/mips/vdso/Makefile | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)
 
-diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
-index c3dc12a8b7d9..28f66e3bb2c3 100644
 --- a/arch/mips/vdso/Makefile
 +++ b/arch/mips/vdso/Makefile
 @@ -28,9 +28,9 @@ aflags-vdso := $(ccflags-vdso) \
@@ -23,6 +21,3 @@ index c3dc12a8b7d9..28f66e3bb2c3 100644
  endif
  
  # VDSO linker flags.
--- 
-2.11.0
-