Overclocking: Update BUS Freqs and OC steps
 * Update BUS BW, add 6. BUS step
 * Update OC Steps with propper L2
 * Fix usage of CONFIG_OC_ULTIMATE
Build Script: update i9505 buildscript
bring in line with eur defconfig
Sprint Defconfig: rename to l7210_defconig, update from i9505 defconfig
buildscript-sprint: update from i9505 buildscript