drm/amdgpu: Fix trailing whitespaces

Adhere to kernel coding style.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210107080748.4768-2-tzimmermann@suse.de

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

@@ -4954,8 +4954,8 @@ pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_sta
 	case pci_channel_io_normal:
 		return PCI_ERS_RESULT_CAN_RECOVER;
 	/* Fatal error, prepare for slot reset */
-	case pci_channel_io_frozen:		
-		/*		
+	case pci_channel_io_frozen:
+		/*
 		 * Cancel and wait for all TDRs in progress if failing to
 		 * set  adev->in_gpu_reset in amdgpu_device_lock_adev
 		 *
@@ -5046,7 +5046,7 @@ pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev)
 		goto out;
 	}
 
-	adev->in_pci_err_recovery = true;	
+	adev->in_pci_err_recovery = true;
 	r = amdgpu_device_pre_asic_reset(adev, NULL, &need_full_reset);
 	adev->in_pci_err_recovery = false;
 	if (r)