VOL-2106 Fix RPC name to be consistent with others

Python adapters expect the first letter to be lower case.
Golang adapters already string.Title() uppercase the func name
so this does not affect them.

Change-Id: Ie88a3daf290ce23616051b34a6c409c8c8c51440
diff --git a/rw_core/core/adapter_proxy.go b/rw_core/core/adapter_proxy.go
index fac9b6d..a39e241 100755
--- a/rw_core/core/adapter_proxy.go
+++ b/rw_core/core/adapter_proxy.go
@@ -253,7 +253,7 @@
 // ReconcileDevice invokes reconcile device rpc
 func (ap *AdapterProxy) ReconcileDevice(ctx context.Context, device *voltha.Device) error {
 	log.Debugw("ReconcileDevice", log.Fields{"deviceId": device.Id})
-	rpc := "Reconcile_device"
+	rpc := "reconcile_device"
 	toTopic := ap.getAdapterTopic(device.Adapter)
 	args := []*kafka.KVArg{
 		{Key: "device", Value: device},