Limit number of stripes supported by HDA codec to maximum number
announced by HDA controller.
Incorrectly implermented HDA codec may report support for more stripes
that HDA controller already have. Due to this, always limit number of
enabled stripes by global controller maximum.

Reviewed by: mav
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D8922