UBUNTU: rebase to v4.4-rc3

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

debian.master/changelog

@@ -6,6 +6,11 @@ linux (4.4.0-0.1) UNRELEASED; urgency=low
 
   [ Upstream Kernel Changes ]
 
+  * rebase to v4.4-rc3
+    - LP: #1519168
+
+  [ Upstream Kernel Changes ]
+
   * rebase to v4.4-rc2
     - LP: #1506615
     - LP: #1502781

debian.master/config/config.common.ubuntu

@@ -491,6 +491,7 @@ CONFIG_ARM64_ERRATUM_824069=y
 CONFIG_ARM64_ERRATUM_826319=y
 CONFIG_ARM64_ERRATUM_827319=y
 CONFIG_ARM64_ERRATUM_832075=y
+CONFIG_ARM64_ERRATUM_834220=y
 CONFIG_ARM64_ERRATUM_843419=y
 CONFIG_ARM64_ERRATUM_845719=y
 CONFIG_ARM64_HW_AFDBM=y