kernel: phy: qcom-qmp-combo: fix NULL-deref on runtime resume

In the Linux kernel, the following vulnerability has been resolved: phy: qcom-qmp-combo: fix NULL-deref on runtime resume Commit fc64623637da "phy: qcom-qmp-combo,usb: add support for separate PCSUSB region" started treating the PCSUSB registers as potentially separate from the PCS registers but...