dt-bindings: imx6q-pcie: Add iMX8MP PCIe compatible string
Add i.MX8MP PCIe compatible string.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1646644054-24421-5-git-send-email-hongxing.zhu@nxp.com
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