iommu/arm-smmu-v3: Add support for PRI

maillist inclusion
category: feature
bugzilla: 51855
CVE: NA

Reference: https://jpbrucker.net/git/linux/commit/?h=sva/2021-03-01&id=b6805ab77b4ca7a844ce3b1c4584133e81e3f071



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For PCI devices that support it, enable the PRI capability and handle
PRI Page Requests with the generic fault handler. It is enabled when
device driver enables IOMMU_DEV_FEAT_SVA.

Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Lijun Fang <fanglijun3@huawei.com>
Reviewed-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>