arm64: defconfig: enable nop-xceiv PHY driver

This commit enables the nop-xceiv PHY driver, which is needed for USB
support to work on the MacchiatoBin platform (Marvell Armada 8K).

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm64/configs/defconfig

@@ -403,6 +403,7 @@ CONFIG_USB_CHIPIDEA_UDC=y
 CONFIG_USB_CHIPIDEA_HOST=y
 CONFIG_USB_ISP1760=y
 CONFIG_USB_HSIC_USB3503=y
+CONFIG_NOP_USB_XCEIV=y
 CONFIG_USB_MSM_OTG=y
 CONFIG_USB_QCOM_8X16_PHY=y
 CONFIG_USB_ULPI=y