usb: dwc3: gadget: rename phy_power() to phy_suspend()

those two functions don't power PHYs, they simply
put them in suspend state. Rename to reflect better
what functions actually do.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
1 file changed