controller: readme edits
controller: readme edits

After re-reading my prior commit's output, there's a few things that bugged
me so I've tidied them up here.

Signed-off-by: Tim Pepper <8dbd764830e941d092a1cb7fa16423169acc0b04@linux.intel.com>

chavafg/ciao,01org/ciao,tpepper/ciao,kaccardi/ciao,rbradford/ciao,markdryan/ciao,chavafg/ciao,mcastelino/ciao,wcwxyz/ciao,obedmr/ciao,ciao-project/ciao,tpepper/ciao,mrkz/ciao,leoswaldo/ciao,leoswaldo/ciao,obedmr/ciao,erick0z/ciao,matthewrsj/ciao,jorgevgut/ciao,leoswaldo/ciao,wcwxyz/ciao,obedmr/ciao,mcastelino/ciao,mcastelino/ciao,wcwxyz/ciao,erick0z/ciao,mrkz/ciao,jorgevgut/ciao,matthewrsj/ciao,ciao-project/ciao,jorgevgut/ciao,matthewrsj/ciao,01org/ciao,tpepper/ciao,rbradford/ciao,kaccardi/ciao,mrkz/ciao,markdryan/ciao,erick0z/ciao