auto-t: update testHotspot with copy_to_hotspot

autotests/testHotspot/hotspot_test.py

@@ -56,7 +56,7 @@ class Test(unittest.TestCase):
 
     @classmethod
     def setUpClass(cls):
-        IWD.copy_to_storage('.hotspot')
+        IWD.copy_to_hotspot('example.conf')
 
     @classmethod
     def tearDownClass(cls):

autotests/testHotspot/hw.conf

@@ -1,6 +1,6 @@
 [SETUP]
-num_radios=4
-tmpfs_extra_stuff=../misc/certs:eap_users.text:main.conf:.hotspot
+num_radios=2
+tmpfs_extra_stuff=../misc/certs:eap_users.text:main.conf:example.conf:hessid.conf
 max_test_exec_interval_sec=60
 iwd_config_dir=/tmp