Follow r262916 with one more config file that references a renamed common.c
Update board definition for WANDBOARD-QUAD to match crochet.

Sponsored by:	The FreeBSD Foundation
Fix panic "_mtx_lock_sleep: recursed on non-recursive mutex ttymtx" caused when
acquiring the tty lock in bvm_tty_close(). Instead just assert that the tty
lock is held before calling callout_reset().