[FAB-2694] (PA) Fix some upper case proto fields

This is intended for (PA) post-alpha.

https://jira.hyperledger.org/browse/FAB-2694

This CR fixes a few upper case proto fields which escaped the proto
style fixes of FAB-2026.

Change-Id: I88e451e729872bb87fd62f314c4c1f7c8e278279
Signed-off-by: Jason Yellick <[email protected]>

Author: Jason Yellick

protos/common/msp_principal.pb.go

@@ -112,7 +112,7 @@ message MSPRole {
 
     // MSPRoleType defines which of the available, pre-defined MSP-roles
     // an identiy should posess inside the MSP with identifier MSPidentifier
-    MSPRoleType Role = 2;
+    MSPRoleType role = 2;
 
 }
 

protos/common/msp_principal.proto

@@ -50,7 +50,7 @@ message SignaturePolicyEnvelope {
 // and will be the CA for more traditional certificates
 message SignaturePolicy {
     message NOutOf {
-        int32 N = 1;
+        int32 n = 1;
         repeated SignaturePolicy policies = 2;
     }
     oneof Type {

protos/common/policies.pb.go

@@ -25,8 +25,8 @@ package msp;
 // to serialize it and deserialize it
 message SerializedIdentity {
 	// The identifier of the associated membership service provider
-    string Mspid = 1;
+    string mspid = 1;
 
     // the Identity, serialized according to the rules of its MPS
-    bytes IdBytes = 2;
+    bytes id_bytes = 2;
 }