gsm-fw/gpf/tst_pei/tst_pei.c: use FFS_O_RDONLY when reading tracemask file gsm-fw/finlink/Makefile: proper dependency logic for GPF libraries

#!/bin/sh
set -ex
rm -rf binutils-2.21.1
rm -rf binutils-build
rm -rf gcc-4.5.4
rm -rf gcc-build
rm -rf newlib-2.0.0
rm -rf newlib-build