[][Add initial mtk feed for OpenWRT v21.02]

[Description]
Add initial mtk feed for OpenWRT v21.02

[Release-log]
N/A

Change-Id: I8051c6ba87f1ccf26c02fdd88a17d66f63c0b101
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4495320
diff --git a/target/linux/mediatek/base-files/etc/inittab b/target/linux/mediatek/base-files/etc/inittab
new file mode 100644
index 0000000..4374da2
--- /dev/null
+++ b/target/linux/mediatek/base-files/etc/inittab
@@ -0,0 +1,3 @@
+::sysinit:/etc/init.d/rcS S boot
+::shutdown:/etc/init.d/rcS K shutdown
+ttyS0::respawnlate:/usr/libexec/login.sh