phy: sun4i-usb: Remove usb_clk_cfg set in probe

usb_clk_cfg is setting CTRL_PHYGATE bit value in probe
which is BIT 0 for sun4i, 6i and 8 for a83t but all
these were handling in phy ops init exit calls.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com>

drivers/phy/allwinner/phy-sun4i-usb.c

@@ -462,8 +462,6 @@ static int sun4i_usb_phy_probe(struct udevice *dev)
 		phy->rst_mask = info->rst_mask;
 	};
 
-	setbits_le32(&data->ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE);
-
 	debug("Allwinner Sun4I USB PHY driver loaded\n");
 	return 0;
 }