drm/i915/gt: Add separate MOCS table for Gen12 devices other than TGL/RKL

MOCS table of TGL/RKL has MOCS[1] set to L3_UC.
While for other gen12 devices we need to set MOCS[1] as L3_WB,
So adding a new MOCS table for other gen 12 devices eg. ADL.

Fixes: cfbe5291 ("drm/i915/gt: Initialize unused MOCS entries with device specific values")
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Ayaz A Siddiqui <ayaz.siddiqui@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
[mattrope: fix whitespace error]
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210907171639.1221287-1-ayaz.siddiqui@intel.com