[FAB-7908] Change hf.admin attr to admin

Recently, Fabric CA was changed to restrict custom attributes
from starting with "hf." prefix. But fabric-ca sample was
using hf.admin custom attribute. Hence it was failing. This
change set changes custom attribute "hf.admin" to "admin".

Change-Id: I6c9324e62717c26aab3c2d308d9fb098ecd2fb65
Signed-off-by: Anil Ambati <aambati@us.ibm.com>

Author: Anil Ambati

fabric-ca/scripts/setup-fabric.sh

@@ -49,8 +49,8 @@ function registerOrdererIdentities {
          COUNT=$((COUNT+1))
       done
       log "Registering admin identity with $CA_NAME"
-      # The admin identity has the "hf.admin" attribute which is added to ECert by default
-      fabric-ca-client register -d --id.name $ADMIN_NAME --id.secret $ADMIN_PASS --id.attrs "hf.admin=true:ecert"
+      # The admin identity has the "admin" attribute which is added to ECert by default
+      fabric-ca-client register -d --id.name $ADMIN_NAME --id.secret $ADMIN_PASS --id.attrs "admin=true:ecert"
    done
 }
 
@@ -67,8 +67,8 @@ function registerPeerIdentities {
          COUNT=$((COUNT+1))
       done
       log "Registering admin identity with $CA_NAME"
-      # The admin identity has the "hf.admin" attribute which is added to ECert by default
-      fabric-ca-client register -d --id.name $ADMIN_NAME --id.secret $ADMIN_PASS --id.attrs "hf.Registrar.Roles=client,hf.Registrar.Attributes=*,hf.Revoker=true,hf.GenCRL=true,hf.admin=true:ecert,abac.init=true:ecert"
+      # The admin identity has the "admin" attribute which is added to ECert by default
+      fabric-ca-client register -d --id.name $ADMIN_NAME --id.secret $ADMIN_PASS --id.attrs "hf.Registrar.Roles=client,hf.Registrar.Attributes=*,hf.Revoker=true,hf.GenCRL=true,admin=true:ecert,abac.init=true:ecert"
       log "Registering user identity with $CA_NAME"
       fabric-ca-client register -d --id.name $USER_NAME --id.secret $USER_PASS
    done