Creating new suites to run on variants

Created two suites 'control.wifi_matfunc_bcm4356' and
'control.wifi_matfunc_marvell8897' with suite dependency
as 'wifi:bcm4356' and 'wifi:marvell8897' respectively.
Also added these suites to individual matfunc tests controls.

BUG=chromium:440226
TEST=Ran few simple connect tests in wificell.

Change-Id: I326d1ce574e82897e42111d0c3b8f1cdc9cb3e6b
Reviewed-on: https://chromium-review.googlesource.com/235443
Tested-by: Bindu Mahadev <bmahadev@chromium.org>
Reviewed-by: Kris Rambish <krisr@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Bindu Mahadev <bmahadev@chromium.org>
Commit-Queue: Bindu Mahadev <bmahadev@chromium.org>
Trybot-Ready: Bindu Mahadev <bmahadev@chromium.org>
74 files changed