drm/amdgpu: fix wrong APU judgement

Fix the APU judgement to make it really work as expected.
Signed-off-by: NEvan Quan <evan.quan@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -2429,7 +2429,7 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 		return ret;
 	}
 	/* PCIe Perf counters won't work on APU nodes */
-	if (adev->flags & !AMD_IS_APU) {
+	if (!(adev->flags & AMD_IS_APU)) {
 		ret = device_create_file(adev->dev, &dev_attr_pcie_bw);
 		if (ret) {
 			DRM_ERROR("failed to create device file pcie_bw\n");
@@ -2492,7 +2492,7 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
 		device_remove_file(adev->dev,
 				&dev_attr_pp_od_clk_voltage);
 	device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);
-	if (adev->flags & !AMD_IS_APU)
+	if (!(adev->flags & AMD_IS_APU))
 		device_remove_file(adev->dev, &dev_attr_pcie_bw);
 	if ((adev->asic_type >= CHIP_VEGA10) &&
 	    !(adev->flags & AMD_IS_APU))