Add genfscon for CONFIG_RTC_DRV_TEST

Bug: 147493341
Test: presubmit
Signed-off-by: Roman Kiryanov <rkir@google.com>
Merged-In: If4398e1203896f125da58c3791ddfdf25cbdc002
Change-Id: Ifd6f2b95ed108233903fa80918121ae1018408c1
1 file changed