dosfstools: use correct license identifier
dosfstools: use correct license identifier

according to: http://spdx.org/licenses/
license details: http://daniel-baumann.ch/gitweb/?p=software/dosfstools.git;a=blob;f=COPYING;h=94a9ed024d3859793618152ea559a168bbcbb5e2;hb=0d2c9bcd6ac21d1ef6fab5b563334fe1e1f743ba

oe-lite/base,esben/base,esben/base,kimrhh/base,oe-lite/base,moths/base,oe-lite/base,sknsean/base,oe-lite/base,esben/base,kimrhh/base,sknsean/base,moths/base,sknsean/base,moths/base,moths/base,sknsean/base,sknsean/base,oe-lite/base,esben/base,esben/base,esben/base,kimrhh/base,kimrhh/base,kimrhh/base,oe-lite/base,kimrhh/base,moths/base,sknsean/base,moths/base