MFC: r261494

Actually install acpi_rapidstart.4.
MFC: r261487

Add qlxgbe(4) and qlxge(4) to the hardware notes.
MFC: r261496

Unbreak mount_udf by passing the correct iovec length into
nmount().  This has been broken since r247861.

PR:		bin/186193
Submitted by:	Arnot Belohlavek