dt-bindings: phy: qcom,usb-snps-femto-v2: Add phy override params bindings

Add device tree bindings for SNPS phy tuning parameters.

Signed-off-by: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/1662480933-12326-2-git-send-email-quic_kriskura@quicinc.com


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