drm/amdgpu: fix bit shift logic

BIT_ULL(n) sets nth bit, remove explicit shift and set the position

Fixes: a7a411e24626 ("drm/amdgpu: fix shift-out-of-bounds in amdgpu_debugfs_jpeg_sched_mask_set")
Signed-off-by: Sathishkumar S <[e-mail]>
Reviewed-by: Leo Liu <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c

···
 	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
 		for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
 			ring = &adev->jpeg.inst[i].ring_dec[j];
-			if (val & (BIT_ULL(1) << ((i * adev->jpeg.num_jpeg_rings) + j)))
+			if (val & (BIT_ULL((i * adev->jpeg.num_jpeg_rings) + j)))
 				ring->sched.ready = true;
 			else
 				ring->sched.ready = false;