[FAB-5628] Make peer CLI broadcast errors useful
[FAB-5628] Make peer CLI broadcast errors useful

This is a simple one line fix to expose the info message returned along
with the status code when the peer CLI makes broadcast calls (such as
for creating or updating channels).

Change-Id: I22c458b76259201615a8581ecea8a63f00cad201
Signed-off-by: Jason Yellick <3a1724207862302656e55e6f840a9996dad69e59@us.ibm.com>

manish-sethi/fabric-sidedb,xixuejia/fabric,lukehuangch/fabric,lukehuangch/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,binhn/fabric,ckeyer/fabric,mqshen/fabric,jimthematrix/fabric,ckeyer/fabric,ckeyer/fabric,ckeyer/fabric,binhn/fabric,mqshen/fabric,jimthematrix/fabric,mqshen/fabric,manish-sethi/fabric-sidedb,binhn/fabric,blockc/fabric,mqshen/fabric,hyperledger/fabric,ckeyer/fabric,stemlending/fabric,hyperledger/fabric,stemlending/fabric,lukehuangch/fabric,lukehuangch/fabric,muralisrini/fabric,muralisrini/fabric,xixuejia/fabric,blockc/fabric,manish-sethi/fabric-sidedb,xixuejia/fabric,mqshen/fabric,mqshen/fabric,blockc/fabric,blockc/fabric,lukehuangch/fabric,manish-sethi/fabric-sidedb,lukehuangch/fabric,mqshen/fabric,lukehuangch/fabric,stemlending/fabric,manish-sethi/fabric,muralisrini/fabric,manish-sethi/fabric-sidedb,ckeyer/fabric,blockc/fabric,ckeyer/fabric,blockc/fabric,manish-sethi/fabric,blockc/fabric,manish-sethi/fabric-sidedb