fw-api: CL 16693726 - update fw common interface files

HTT stats: add backpress_hist counters for host+ipa refill rings

Change-Id: I89cea476f46ba8ecf4716aed0184a28f045e5511
CRs-Fixed: 2262693
1 file changed
tree: b0014a0959fa5f1bd4a53b21cb46d64bc7964c0e
  1. fw/
  2. hw/