dt-bindings: phy: qcom,qusb2: Add ipq8074 device compatible

Add ipq8074 compatible in QUSB2 PHY for high speed USB support.

Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Tested-by: Sricharan R <sricharan@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1591625479-4483-3-git-send-email-sivaprak@codeaurora.org


Signed-off-by: Vinod Koul <vkoul@kernel.org>