busybox-full: enable more applets

 chvt, deallocvt, fgconsole
 findfs, hwclock, lspci, nmeter
 openvt, rdate, setkeycodes
 smemcap, switch_root, tty

 unsymlinked : powertop

 Tested on x86 and arm targets

Change-Id: Ib0655715897f4088a81efb4ca74731b60c14ac23