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-4.9/921-always-create-console-node-in-initramfs.patch

@@ -8,8 +8,6 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  scripts/gen_initramfs_list.sh | 14 ++++++++++++++
  1 file changed, 14 insertions(+)
 
-diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
-index 7710113e6a72..b8d6cb30e054 100755
 --- a/scripts/gen_initramfs_list.sh
 +++ b/scripts/gen_initramfs_list.sh
 @@ -59,6 +59,18 @@ default_initramfs() {
@@ -40,6 +38,3 @@ index 7710113e6a72..b8d6cb30e054 100755
  		echo "${dirlist}" | \
  		while read x; do
  			${dep_list}parse ${x}
--- 
-2.11.0
-