Rearrange EAP setup so that it is more parameterizable for other EAP types

server/site_linux_router.py

Index: server/site_linux_router.py
diff --git a/server/site_linux_router.py b/server/site_linux_router.py
index 70707fc2e3fd86684d16d83bfe18b2f38c48fc58..5231a246751fb3e01a7ea72e81a01574233a0c36 100644
--- a/server/site_linux_router.py
+++ b/server/site_linux_router.py
@@ -4,7 +4,7 @@
 
 import logging, re, time
 from autotest_lib.client.common_lib import error
-from autotest_lib.server import site_eap_tls
+from autotest_lib.server import site_eap
 
 def isLinuxRouter(router):
     router_uname = router.run('uname').stdout
@@ -258,8 +258,8 @@ class LinuxRouter(object):
                     pass        # NB: meaningless for hostapd; ignore
                 elif k == '-ampdu':
                     pass        # TODO(sleffler) need hostapd support
-                elif k == 'eap-tls':
-                    conf.update(site_eap_tls.router_config(self.router, v))
+                elif k == 'eap':
+                    conf.update(site_eap.router_config(self.router, v))
                 else:
                     conf[k] = v