UBUNTU: SAUCE: (noup) Update spl to 0.6.5.9-1ubuntu1, zfs to 0.6.5.9-5ubuntu5

UBUNTU: SAUCE: (noup) Update spl to 0.6.5.9-1ubuntu1, zfs to 0.6.5.9-5ubuntu5

Add upstream SPL compat patches from upstream to build with 4.11 kernel:
 - 8d5feecacfdcca Linux 4.11 compat: set_task_state() removed
 - 94b1ab2ae01e9e Linux 4.11 compat: vfs_getattr() takes 4 args
 - 9a054d54fb6772 Linux 4.11 compat: add linux/sched/signal.h
 - bf8abea4dade11 Linux 4.11 compat: remove stub for __put_task_struct

Add upstream ZFS compat patches from upstream to build with 4.11 kernel:
 - a3478c07475261 Linux 4.11 compat: iops.getattr and friends
 - 4859fe796c5b03 Linux 4.11 compat: avoid refcount_t name conflict

Tested and verified against the Ubuntu ZFS autotest regression tests

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>