samsung: drop PORT_TYPE_ECM

Isn't really needed since it's just the same as any other net
device port type.

plugins/mm-modem-samsung-gsm.c

@@ -973,12 +973,12 @@ grab_port (MMModem *modem,
     MMPort *port = NULL;
 
     if (suggested_type == MM_PORT_TYPE_UNKNOWN) {
-    if(g_str_has_prefix(name, "usb"))
-        ptype = MM_PORT_TYPE_ECM;
-        else if (!mm_generic_gsm_get_at_port (gsm, MM_PORT_TYPE_PRIMARY))
+        if (!strcmp (subsys, "tty")) {
+            if (!mm_generic_gsm_get_at_port (gsm, MM_PORT_TYPE_PRIMARY))
                 ptype = MM_PORT_TYPE_PRIMARY;
             else if (!mm_generic_gsm_get_at_port (gsm, MM_PORT_TYPE_SECONDARY))
                 ptype = MM_PORT_TYPE_SECONDARY;
+        }
     } else
         ptype = suggested_type;
 

src/mm-port.c

@@ -68,8 +68,6 @@ mm_port_type_to_name (MMPortType ptype)
         return "primary";
     case MM_PORT_TYPE_SECONDARY:
         return "secondary";
-    case MM_PORT_TYPE_ECM:
-    	return "ECM";
     case MM_PORT_TYPE_IGNORED:
         return "ignored";
     case MM_PORT_TYPE_QCDM:

src/mm-port.h

@@ -32,7 +32,6 @@ typedef enum {
     MM_PORT_TYPE_UNKNOWN = 0x0,
     MM_PORT_TYPE_PRIMARY,
     MM_PORT_TYPE_SECONDARY,
-    MM_PORT_TYPE_ECM,
     MM_PORT_TYPE_IGNORED,
     MM_PORT_TYPE_QCDM,