SoCFPGA defconfig update for v4.5

-Enable USB OTG dual-role and some cleanup by make savedefconfig
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Merge tag 'socfpga_defconfig_for_v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into next/defconfig

Merge "SoCFPGA defconfig update for v4.5" from Dinh Nguyen:
-Enable USB OTG dual-role and some cleanup by make savedefconfig

* tag 'socfpga_defconfig_for_v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
  arm: socfpga_defconfig: enable USB dual-role and cleanup

arch/arm/configs/socfpga_defconfig

@@ -36,7 +36,6 @@ CONFIG_IP_PNP=y
 CONFIG_IP_PNP_DHCP=y
 CONFIG_IP_PNP_BOOTP=y
 CONFIG_IP_PNP_RARP=y
-CONFIG_IPV6=y
 CONFIG_NETWORK_PHY_TIMESTAMPING=y
 CONFIG_VLAN_8021Q=y
 CONFIG_VLAN_8021Q_GVRP=y
@@ -57,7 +56,6 @@ CONFIG_BLK_DEV_SD=y
 # CONFIG_SCSI_LOWLEVEL is not set
 CONFIG_NETDEVICES=y
 CONFIG_STMMAC_ETH=y
-CONFIG_DWMAC_SOCFPGA=y
 CONFIG_MICREL_PHY=y
 CONFIG_INPUT_EVDEV=y
 # CONFIG_SERIO_SERPORT is not set
@@ -83,7 +81,8 @@ CONFIG_REGULATOR=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
 CONFIG_USB=y
 CONFIG_USB_DWC2=y
-CONFIG_USB_DWC2_HOST=y
+CONFIG_NOP_USB_XCEIV=y
+CONFIG_USB_GADGET=y
 CONFIG_MMC=y
 CONFIG_MMC_DW=y
 CONFIG_FPGA=y
@@ -92,7 +91,6 @@ CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT2_FS_POSIX_ACL=y
 CONFIG_EXT3_FS=y
-CONFIG_EXT4_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_NTFS_FS=y
 CONFIG_NTFS_RW=y