K 10
svn:author
V 5
kibab
K 8
svn:date
V 27
2018-06-05T11:03:24.195620Z
K 7
svn:log
V 379
Enable high-speed on the card before increasing frequency on the controller

Increasing operating frequency without telling card to switch
to high-speed mode first upsets some cards and generates CRC errors.

While here, deselect / reselect cards after CMD6 and SCR fetch, as in original code.

Approved by:	imp (mentor)
Differential Revision:	https://reviews.freebsd.org/D15568

END