ARM: sunxi_defconfig: add NLS_CODEPAGE_437 and NLS_ISO8859_1

Otherwise CONFIG_VFAT_FS is useless as mounting vfat fails.
Signed-off-by: Luc Verhaegen <libv@skynet.be>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/configs/sunxi_defconfig

@@ -104,5 +104,7 @@ CONFIG_NFS_FS=y
 CONFIG_NFS_V3_ACL=y
 CONFIG_NFS_V4=y
 CONFIG_ROOT_NFS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ISO8859_1=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_FS=y