[busybox] fix bbappend & patches for version 2.22.1
busybox : passwd use SHA512 by default
busybox: mount: don't pass option auto to kernel
busybox/udhcpc: set DHCP hostname
busybox : add login/passwd in defconfig.
Merge branch 'master' of code.vuplus.com:/opt/repository/openvuplus Conflicts: meta-openvuplus/recipes-core/busybox/busybox_1.19.4.bbappend
fixed login security hole.
busybox : remove needless settings in defconfig. busybox : add patches.
busybox : remove busybox-hdparm. (use hdparm v9.39)
remove xinetd, systemd.
blkid : use util-linux-blkid instead of busybox-blkid.(more blkid options.)
busybox : fix patch files.
init