pipe-loader,gallium/drm: Fix the kmsro pipe_loader target
Include drm_helper.h to define the driver descriptor again, but with a new define GALLIUM_KMSRO_ONLY to disable defining descriptors for the drivers that kmsro uses. Fixes clinfo on Panfrost. Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/4002 Fixes: 9ec28b8d ("gallium/drm: Deduplicate screen creation for the dynamic (clover) pipe loader.") Acked-by:Eric Anholt <eric@anholt.net> Reviewed-by:
Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Part-of: <mesa/mesa!9380> (cherry picked from commit 06a883cf)