K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2018-09-02T20:17:51.948818Z
K 7
svn:log
V 383
Improve error messages from clock_if.m method failures.

Print error message in verbose mode when CLOCK_SETTIME() clock_if.m
method failed.  For EFIRT RTC clock, add error code for the failure of
CLOCK_GETTIME() report.

Reviewed by:	kevans
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Approved by:    re (rgrimes)
Differential revision:	https://reviews.freebsd.org/D16972

END