ARM: mxs_defconfig: Improve USB related support

Select the following USB related options:

- USB Ethernet adapter (needed for mx23-olinuxino)
- Native language support (needed for mounting USB pen drives, for example)
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/configs/mxs_defconfig

@@ -61,6 +61,8 @@ CONFIG_MTD_NAND_GPMI_NAND=y
 CONFIG_NETDEVICES=y
 CONFIG_NET_ETHERNET=y
 CONFIG_ENC28J60=y
+CONFIG_USB_USBNET=y
+CONFIG_USB_NET_SMSC95XX=y
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_WLAN is not set
@@ -158,6 +160,10 @@ CONFIG_NFS_V3=y
 CONFIG_NFS_V3_ACL=y
 CONFIG_NFS_V4=y
 CONFIG_ROOT_NFS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_15=y
 CONFIG_PRINTK_TIME=y
 CONFIG_FRAME_WARN=2048
 CONFIG_MAGIC_SYSRQ=y