enable DRH tweaks

#!/system/xbin/bash
: '
 ============ Copyright (C) 2010 Jared Rummler (JRummy16) ============

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.

 =====================================================================
'

if busybox [ ! -f /system/etc/liberty.cfg ]; then
        busybox mount -o remount,rw /system
        cat > /system/etc/liberty.cfg << EOF
SD_BOOST_AT_BOOT=1
READ_AHEAD_KB=2048
ENABLE_SYSCTL=1
EOF
        busybox mount -o remount,ro /system
fi