media: qcom: Clean up Kconfig dependencies

Depending on IOMMU_DMA is suspicious, since the low-level DMA ops
internals and MSI helpers is provides are not of interest to general
drivers. In practice it mostly seems to be serving as a dependency on
ARM64 here, so do that properly. The venus driver looks like it won't
actually be useful at runtime without the IOMMU API, so add that too.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

Author: rmurphy-arm

drivers/media/platform/qcom/venus/Kconfig

@@ -2,7 +2,7 @@ config VIDEO_QCOM_VENUS
 	tristate "Qualcomm Venus V4L2 encoder/decoder driver"
 	depends on V4L_MEM2MEM_DRIVERS
 	depends on VIDEO_DEV && QCOM_SMEM
-	depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST
+	depends on (ARCH_QCOM && ARM64 && IOMMU_API) || COMPILE_TEST
 	select OF_DYNAMIC if ARCH_QCOM
 	select QCOM_MDT_LOADER if ARCH_QCOM
 	select QCOM_SCM