12304 risc-v dis instruction alignment too restrictive
Reviewed by: Andy Fiddaman <andy@omniosce.org>
Reviewed by: Jason King <jason.king@joyent.com>
Approved by: Dan McDonald <danmcd@joyent.com>

9820 Want risc-v disassembler
Reviewed by: Dan McDonald <danmcd@joyent.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Approved by: Garrett D'Amore <garrett@damore.org>