drm/amdgpu: suppress the compile warning about 64 bit type

Suppress the compile warning below:
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c:1292
gfx_v11_0_rlc_backdoor_autoload_copy_ucode() warn: should '1 << id' be a 64 bit type?
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c

@@ -1316,7 +1316,7 @@ static void gfx_v11_0_rlc_backdoor_autoload_copy_ucode(struct amdgpu_device *ade
 		memset(ptr + toc_offset + fw_size, 0, toc_fw_size - fw_size);
 
 	if ((id != SOC21_FIRMWARE_ID_RS64_PFP) && (id != SOC21_FIRMWARE_ID_RS64_ME))
-		*(uint64_t *)fw_autoload_mask |= 1 << id;
+		*(uint64_t *)fw_autoload_mask |= 1ULL << id;
 }
 
 static void gfx_v11_0_rlc_backdoor_autoload_copy_toc_ucode(struct amdgpu_device *adev,