Change gerrit server references to reflect move from RTP to RCHLAND

Change-Id: I6c1ea55d931257328c11169839f699b6830f3ebb
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/62813
Reviewed-by: Camvan T. Nguyen <ctnguyen@us.ibm.com>
Reviewed-by: Prachi Gupta <pragupta@us.ibm.com>
Reviewed-by: Corey V. Swenson <cswenson@us.ibm.com>
Tested-by: Dean Sanner <dsanner@us.ibm.com>
Reviewed-by: Dean Sanner <dsanner@us.ibm.com>

src/build/tools/gerrit-hostname

@@ -34,7 +34,7 @@ use strict;
 my $homeDir = $ENV{'HOME'};
 my $sshConfigFile = $homeDir."/.ssh/config";
 # If the server changes location these will change
-my $gerritHostname = "ralgit01.raleigh.ibm.com";
+my $gerritHostname = "rchgit01.rchland.ibm.com";
 my $gerritPort = "29418";
 
 open(CONFIG, "< $sshConfigFile") or die " $? can't open $sshConfigFile: $!" ;