Add new GSI monitor DO_* variables to config.base

Add DO_VERFOZN, DO_VERFRAD, and DO_VMINMON switches
to turn on/off these jobs in the rocoto mesh.

Refs NOAA-EMC#1908

parm/config/gfs/config.base.emc.dyn

@@ -57,6 +57,9 @@ export DO_BUFRSND="NO"     # BUFR sounding products
 export DO_GEMPAK="NO"      # GEMPAK products
 export DO_AWIPS="NO"       # AWIPS products
 export DO_VRFY="YES"       # VRFY step
+export DO_VERFOZN="YES"    # Ozone data assimilation monitoring
+export DO_VERFRAD="YES"    # Radiance data assimilation monitoring
+export DO_VMINMON="YES"    # GSI minimization monitoring
 
 # NO for retrospective parallel; YES for real-time parallel
 #  arch.sh uses REALTIME for MOS.  Need to set REALTIME=YES