dwc3: uncondinationally enable Host IN Auto Retry

Enable dwc3's auto retry feature. For IN transfers with crc errors
or internal overruns this will make the host reply with a
non-terminating retry ACK. I believe the hope was to improve
reliability after seeing occasional hiccups.

Obtained from: an old debugging patch
MFC after: 2 weeks
Reviewed by: mw
Differential Revision: https://reviews.freebsd.org/D35698