[ 50 character, one line summary ]

add Mariana's fix for CO2 for Isotopes

[ Description of the changes in this commit. It should be enough
information for someone not following this development to understand.
Lines should be wrapped at about 72 characters. ]

Due to the %W, %WISOall were getting the WACCM CO2 values
Added a flag for %WISOall to set CO2 to 284.7

Test suite: Will test in geotrace_cac3_n53_cam5_4_57
Test baseline:
Test namelist changes:
Test status: [bit for bit, roundoff, climate changing]

Fixes: [CIME Github issue #]

User interface changes?: [Yes (describe what changes), No]
No

Code review:

driver_cpl/cime_config/config_component.xml

@@ -3195,6 +3195,8 @@
       <!-- Override values based on CAM (WACCM) chemistry -->
       <value compset="CAM[45]%W"				>0.000001</value>
       <value compset="CAM[45]%SSOA"				>0.000001</value>
+      <!-- Mariana's fix to allow isotopes to get the proper CO2 value -->
+      <value compset="CAM[45]%WISOall"				>284.7</value>
       <value compset="^2000.+CAM[45]%WCSC"			>368.9</value>
       <value compset="^2000.+CAM[45]%MOZM"			>0.000001</value>
       <value compset="^2000.+CAM[45]%MMOS"			>0.000001</value>