K 10
svn:author
V 2
bz
K 8
svn:date
V 27
2019-03-31T19:27:44.782266Z
K 7
svn:log
V 328
Improve debugging options in bcm2835_sdhci.c

Similar to bcm2835_sdhost.c add a TUNABLE and SYSCTL to selectively
turn on debugging printfs if debugging is turned on at compile time.

MFC after:		2 weeks
Sponsored by:		The FreeBSD Foundation
Reviewed by:		gonzo, andrew
Differential Revision:	https://reviews.freebsd.org/D19745

END