greybus: connection: kill GB_PROTOCOL_SKIP_SVC_CONNECTION

Add helper to determine whether a connection is static, and remove the
protocol flag GB_PROTOCOL_SKIP_SVC_CONNECTION.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
diff --git a/drivers/staging/greybus/svc.c b/drivers/staging/greybus/svc.c
index 9dd5112..3beb3a2 100644
--- a/drivers/staging/greybus/svc.c
+++ b/drivers/staging/greybus/svc.c
@@ -750,7 +750,6 @@
 	.flags			= GB_PROTOCOL_SKIP_CONTROL_CONNECTED |
 				  GB_PROTOCOL_SKIP_CONTROL_DISCONNECTED |
 				  GB_PROTOCOL_NO_BUNDLE |
-				  GB_PROTOCOL_SKIP_VERSION |
-				  GB_PROTOCOL_SKIP_SVC_CONNECTION,
+				  GB_PROTOCOL_SKIP_VERSION,
 };
 gb_builtin_protocol_driver(svc_protocol);