drm/i915/guc: Add support for w/a KLVs

To prevent running out of bits, new w/a enable flags are being added
via a KLV system instead of a 32 bit flags word.

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240223205632.1621019-3-John.C.Harrison@Intel.com