phy: cpcap-usb: Drop extra write to usb2 register

We are currently writing the same register twice. Let's enable the USB
PHY only at the end of the function.

Cc: Merlijn Wajer <[e-mail]>
Cc: Pavel Machek <[e-mail]>
Cc: Sebastian Reichel <[e-mail]>
Acked-by: Pavel Machek <[e-mail]>
Signed-off-by: Tony Lindgren <[e-mail]>
Signed-off-by: Kishon Vijay Abraham I <[e-mail]>

drivers/phy/motorola/phy-cpcap-usb.c

···
 	if (error)
 		goto out_err;
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC2,
-				   CPCAP_BIT_USBXCVREN,
-				   CPCAP_BIT_USBXCVREN);
-	if (error)
-		goto out_err;
-
 	error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3,
 				   CPCAP_BIT_PU_SPI |
 				   CPCAP_BIT_DMPD_SPI |