arm: bcm235xx: choose 8-bit phy bus width

The Kona PHY supports an 8-bit wide UTMI interface,
therefore, choose this Kconfig setting.

Signed-off-by: Steve Rae <srae@broadcom.com>

configs/bcm23550_w1d_defconfig

@@ -17,6 +17,7 @@ CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DWC2_OTG=y
+CONFIG_USB_GADGET_DWC2_OTG_PHY_BUS_WIDTH_8=y
 CONFIG_USB_GADGET_DOWNLOAD=y
 CONFIG_G_DNL_MANUFACTURER="Broadcom Corporation"
 CONFIG_G_DNL_VENDOR_NUM=0x18d1

include/configs/bcm23550_w1d.h

@@ -137,7 +137,6 @@
 #define CONFIG_FASTBOOT_BUF_ADDR	CONFIG_SYS_SDRAM_BASE
 #undef CONFIG_USB_GADGET_VBUS_DRAW
 #define CONFIG_USB_GADGET_VBUS_DRAW	0
-#define CONFIG_USB_GADGET_DWC2_PHY_8_BIT
 #define CONFIG_USB_GADGET_BCM_UDC_OTG_PHY
 #define CONFIG_USBID_ADDR		0x34052c46