Linux 4.4.55

BugLink: http://bugs.launchpad.net/bugs/1674292Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>

Makefile

 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 54
+SUBLEVEL = 55
 EXTRAVERSION =
 NAME = Blurry Fish Butt