usb: phy: phy-tahvo: fix memory leak in tahvo_usb_probe()

In the Linux kernel, the following vulnerability has been resolved:

usb: phy: phy-tahvo: fix memory leak in tahvo_usb_probe()

Smatch reports:

drivers/usb/phy/phy-tahvo.c: tahvo_usb_probe()

warn: missing unwind goto?

After geting irq, if ret < 0, it will return without error handling to

free memory.

Just add error handling to fix this problem.