MFC r338654, r338701

r338654:
[ig4] Add PCI IDs for I2C controller on Intel Kaby Lake systems

PR: 221777
Approved by: re (kib)
Submitted by: marc.priggemeyer@gmail.com

r338701:
[ig4] Fix device description for Kaby Lake systems

Kaby Lake I2C controller is Intel Sunrise Point-H not Intel Sunrise Point-LP.

Submitted by: Dmitry Luhtionov
Approved by: re (kib)