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-4.9/910-kobject_uevent.patch

@@ -9,7 +9,6 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  lib/kobject_uevent.c    | 37 +++++++++++++++++++++++++++++++++++++
  2 files changed, 42 insertions(+)
 
-diff --git a/include/linux/kobject.h b/include/linux/kobject.h
 --- a/lib/kobject_uevent.c
 +++ b/lib/kobject_uevent.c
 @@ -52,6 +52,18 @@ static const char *kobject_actions[] = {
@@ -30,7 +29,4 @@ diff --git a/include/linux/kobject.h b/include/linux/kobject.h
 +
  /**
   * kobject_action_type - translate action string to numeric type
-  *--- a/include/linux/kobject.h
--- 
-2.11.0
-
+  *