tests: Parse group results in a couple of p2p_channel tests

In p2p_channel_vht80_autogo and p2p_channel_vht80p80_autogo, parse the
P2P-GROUP-STARTED event prior to calling the group_request() method, as
otherwise the group ifname is not set.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>

tests/hwsim/test_p2p_channel.py

@@ -1120,6 +1120,7 @@ def test_p2p_channel_vht80p80_autogo(dev):
         if ev is None:
             raise Exception("Peer did not get connected")
 
+        dev[1].group_form_result(ev)
         sig = dev[1].group_request("SIGNAL_POLL").splitlines()
         if "FREQUENCY=5180" not in sig:
             raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
@@ -1155,6 +1156,7 @@ def test_p2p_channel_vht80_autogo(dev):
         if ev is None:
             raise Exception("Peer did not get connected")
 
+        dev[1].group_form_result(ev)
         sig = dev[1].group_request("SIGNAL_POLL").splitlines()
         if "FREQUENCY=5180" not in sig:
             raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))