OLPC XO-1.75 - synchronise EC flags flash page when reprogramming manufacturing tags #11493 (thanks to Mitch for initial design on 22nd August), and fix flash-ec which was failing if any flags were set.
cpu/arm/olpc/1.75/ecflash.fth
cpu/arm/olpc/1.75/edi.fth
cpu/x86/pc/olpc/setwp.fth