Adding counter type in response VOL-4272

Change-Id: Ic6cd826da6710be918ea1b84b8dc577fad7d26b3
diff --git a/protos/voltha_protos/extensions.proto b/protos/voltha_protos/extensions.proto
index 5331b26..61e9e45 100755
--- a/protos/voltha_protos/extensions.proto
+++ b/protos/voltha_protos/extensions.proto
@@ -257,8 +257,13 @@
 }
 
 message GetOmciEthernetFrameExtendedPmResponse {
+    enum Format {
+        THIRTY_TWO_BIT = 0;
+        SIXTY_FOUR_BIT = 1;
+    }
     OmciEthernetFrameExtendedPm upstream = 1;
     OmciEthernetFrameExtendedPm downstream = 2;
+    Format omci_ethernet_frame_extended_pm_format= 3;
 }
 
 message GetRxPowerResponse {