openwrt profile增加默认包及默认宏

以target\linux\ar71xx\generic\profiles\redwood.mk为例，我们使用的是REDWOOD-M3。
1、增加默认包，修改如下
define Profile/REDWOOD-M3

NAME:=REDWOOD RedWood-M3
PACKAGES:=\
kmod-usb-core kmod-usb2 kmod-ath10k kmod-ath9k-htc\
kmod-ledtrig-usbdev kmod-scsi-core \
kmod-usb-storage \
kmod-fs-vfat kmod-fs-ntfs kmod-fuse \
kmod-nls-cp437 kmod-nls-iso8859-1 kmod-nls-utf8 \
block-mount \
samba36-server luci-app-samba \
kmod-usb-acm kmod-usb-net \
kmod-usb-serial kmod-usb-serial-option kmod-usb-serial-wwan \
usb-modeswitch chat comgt \
luci \
luci-proto-3g luci-proto-ppp \
wifigrap libisniffer tcpdump \
sqlite3-cli \
luci-i18n-base-zh-cn luci-i18n-firewall-zh-cn luci-i18n-samba-zh-cn

endef


2、增加默认宏，修改如下
define Profile/REDWOOD-M3/Config

select LUCI_LANG_zh-cn

endef