arm64: defconfig: Enable USB2 PHY Driver

The USB controller on TI SoCs such as AM65x needs the
USB2 PHY driver to communicate with VBUS/ID comparator.
So enable the OMAP USB2 PHY driver.
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Link: https://lore.kernel.org/r/20240607061056.708946-1-s-vadapalli@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arch/arm64/configs/defconfig

@@ -1064,6 +1064,7 @@ CONFIG_USB_MTU3=y
 CONFIG_USB_MUSB_HDRC=y
 CONFIG_USB_MUSB_SUNXI=y
 CONFIG_USB_DWC3=y
+CONFIG_OMAP_USB2=m
 CONFIG_USB_DWC2=y
 CONFIG_USB_CHIPIDEA=y
 CONFIG_USB_CHIPIDEA_UDC=y