WIP: anv: Add driconf option to enable R11G11B10_FLOAT CCS_E compression for DXVK tittles

MR enables the CCS_E compression on R11G11B10_FLOAT surface formats via driconf options.

Note for the reviewer: Feel free to review commits either in this series or series mentioned below.

Commit :

    intel/blorp: Add support for CCS_E copies with R11GG11B10_FLOAT

picked from MR !3349

Commits:

 anv: Add driconf option to disable compression for 16bpp format 
 anv: Factor out dri option initialization code in separate function

are picked up from MR !6734 (merged)