drm/amdgpu: mark amdgpu_allowed_register_entry tables as 'const'

Signed-off-by: Nils Wallménius <nils.wallmenius@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index bddc9ba..009598b 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -962,7 +962,7 @@
 	return true;
 }
 
-static struct amdgpu_allowed_register_entry cik_allowed_read_registers[] = {
+static const struct amdgpu_allowed_register_entry cik_allowed_read_registers[] = {
 	{mmGRBM_STATUS, false},
 	{mmGB_ADDR_CONFIG, false},
 	{mmMC_ARB_RAMCFG, false},