scsi: bfa: use proper time accessor for stats_reset_time

scsi: bfa: use proper time accessor for stats_reset_time

BugLink: https://bugs.launchpad.net/bugs/1853915
We use the deprecated do_gettimeofday() function to read the current
time when resetting the statistics in both bfa_port and bfa_svc. This
works fine because overflow is handled correctly, but we want to get rid
of do_gettimeofday() and using a non-monotonic time suffers from
concurrent settimeofday calls and other problems.

This uses the ktime_get_seconds() function instead, which does what we
need here.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Anil Gurumurthy <Anil.Gurumurthy@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
(cherry picked from commit 8f604a036bce849a3410f4940fa09e8eb2760bbf)
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>