i9300: enable SPKL Boost SPKR Switch on boot

Users sometimes reporting that there's no incall audio straight after a boot with phone being set to silent.
After playing a touch sound it seems to work. SPKL Boost SPKR Switch is the only difference.

Change-Id: I49e00eddc5f0bc2ac2f468cd99d153a0087547dc
Merge "i9300: enable SPKL Boost SPKR Switch on boot" into jb4.2