dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Update pcie phy bindings

dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Update pcie phy bindings

The gcc_aux_clk is required by the PCIe controller but not by the PCIe
PHY. In PCIe PHY, the source of aux_clk used in low-power mode should
be gcc_phy_aux_clk. Hence, remove gcc_aux_clk and replace it with
gcc_phy_aux_clk.

Fixes: fd2d4e4c1986 ("dt-bindings: phy: qcom,qmp: Add sa8775p QMP PCIe PHY")
Signed-off-by: Ziyue Zhang <ziyue.zhang@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20250725102231.3608298-2-ziyue.zhang@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>