tools: rlite-ctl: add regs-show command
tools: rlite-ctl: add regs-show command

Fixes #13.

autrimpo/rlite,autrimpo/rlite,vmaffione/rlite,vmaffione/rlite,autrimpo/rlite,autrimpo/rlite,vmaffione/rlite,vmaffione/rlite