disp: msm: import DMA_BUF module symbols

This change imports the necessary DMA_BUF symbols from the module
as they are now contained within the module namespace.

Link: https://patchwork.kernel.org/project/dri-devel/patch/YU8oVDFoeD5YYeDT@kroah.com/#24477195

Change-Id: I18a0a812567425d55fedbab67f7a42d3f54351ca
Signed-off-by: GG Hou <quic_renjhou@quicinc.com>
Signed-off-by: Nilaan Gunabalachandran <quic_ngunabal@quicinc.com>

rotator/sde_rotator_smmu.c

@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
  */
 
@@ -680,3 +681,7 @@ void sde_rotator_smmu_driver_unregister(void)
 {
 	platform_driver_unregister(&sde_smmu_driver);
 }
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 19, 0))
+MODULE_IMPORT_NS(DMA_BUF);
+#endif