fixes/imporoving/tuning-
wifi DTIM skipping
simplification in the omap i2c bus driver
add Errata:i736
update the twl640 driver from dans repo
fix the IVA sticking at max frequency until freq change request is made
update our sound drivers drom dans repo
remove some non-tuna boards
remove an uneeded extra frame buffer
thnx to- Bsmitty,Boype,Dan/Ziyann,Omapzoom people and Freshgiammi/gianmarco