Conversion of RRTMGP to CCPP

[peverwhee]

Issue Type

Infrastructure Update

Issue Description

Using the existing NOAA-CCPPized version of RRTMGP (https://github.com/NCAR/ccpp-physics/tree/main/physics/Radiation/RRTMGP), create interstitials in atmospheric_physics to connect CAM-SIMA to RRTMGP

Will this change answers?

I Don't Know

Will you be implementing this yourself?

Yes