[PATCH 0/4][SRU][B/D/E] Several Hisilicon SAS Host fixes

[Ike Panhc]

The patches cherry-picked for eoan can not be applied on bionic due to
some difference in +/- 3 lines.

3 branches for B/D/E are ready for pull these 4 patches at

  git://kernel.ubuntu.com/ikepanhc/public.git lp1853992-eoan
  git://kernel.ubuntu.com/ikepanhc/public.git lp1853992-disco
  git://kernel.ubuntu.com/ikepanhc/public.git lp1853992-bionic

for your convenient