drm/amdgpu: allocate ip_block_enabled memory in common code

Remove duplication across asic families and make it symmetric
with the freeing of the code in amdgpu_device.c

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -2256,10 +2256,6 @@ int cik_set_ip_blocks(struct amdgpu_device *adev)
 		return -EINVAL;
 	}
 
-	adev->ip_block_enabled = kcalloc(adev->num_ip_blocks, sizeof(bool), GFP_KERNEL);
-	if (adev->ip_block_enabled == NULL)
-		return -ENOMEM;
-
 	return 0;
 }