APPLIED/cmnt: [Xenial SRU] Xenial update to 4.4.84 stable release

Tue Sep 19 08:59:20 UTC 2017

Applied to xenial/master-next branch.

Skipped commit a03e7ed0a1ba (Input: elan_i2c - add ELAN0608 to the ACPI
table), since it had already been applied as a fix for LP: #1708852
(Touchpad not detected).

Skipped commit c4e9367e7f14 (mm: revert x86_64 and arm64 ELF_ET_DYN_BASE
base changes), since it had already been applied as a fix for LP:
#1715636 (Xenial update to 4.4.78 stable release broke Address Sanitizer).