Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
- Correct the AC_MCTL_BYP_PCS constant.- Correct whitespace nits (use #define<tab>, remove trailing whitespace).
Add QS6612, AC101 and LXT970 personal drivers and register definitions.Obtained from: NetBSD/OpenBSD