Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

MFC: r225882

Remove pointless semicolons after label

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Tweak the disclaimer section of the license to match COPYRIGHT, for
better or worse. Ok'd by folks that have additional copyrights to the
files in cases where there's joint authorship.

Kill bogus #if 0'd stuff for interrupts. They don't happen, and this
driver will need more serious help to work with an interrupt driven
path. There's many subtleties in driving the DMA engine with
interrupts in many configurations. Best to not "guess" what the right
way would be and mislead people.

o break newbus api: add a new argument of type driver_filter_t to
bus_setup_intr()

o add an int return code to all fast handlers

o retire INTR_FAST/IH_FAST

For more info: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=465712+0+current/freebsd-current

Reviewed by: many
Approved by: re@

Commit WIP SSC driver, more work is needed here, but it configures
things OK.

MFp4: paren police

Skeleton support for the SSC device, which implements I2S interfaces,
amoung others.