drm/radeon/cik: Move 'r600_ih_ring_{alloc, fini}()'s prototypes to shared header

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/r600.c:3480:5: warning: no previous prototype for ‘r600_ih_ring_alloc’ [-Wmissing-prototypes]
 3480 | int r600_ih_ring_alloc(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/r600.c:3516:6: warning: no previous prototype for ‘r600_ih_ring_fini’ [-Wmissing-prototypes]
 3516 | void r600_ih_ring_fini(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~

Cc: Alex Deucher <[email protected]>
Cc: "Christian König" <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Lee Jones <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

0 files changed, 0 insertions, 0 deletions