UBUNTU: [Config] Enable the AMD Seattle platform

BugLink: http://bugs.launchpad.net/bugs/1597574Signed-off-by: Ricardo Salveti <rsalveti@rsalveti.net>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Acked-by: Christopher Arges <chris.j.arges@canonical.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

debian.master/config/config.common.ubuntu

@@ -408,7 +408,7 @@ CONFIG_ARCH_RMOBILE=y
 # CONFIG_ARCH_S5PV210 is not set
 # CONFIG_ARCH_SA1100 is not set
 CONFIG_ARCH_SAVE_PAGE_KEYS=y
-# CONFIG_ARCH_SEATTLE is not set
+CONFIG_ARCH_SEATTLE=y
 CONFIG_ARCH_SH73A0=y
 CONFIG_ARCH_SHMOBILE=y
 CONFIG_ARCH_SHMOBILE_MULTI=y