msm7x27a: allow overclocking

also enable OC on jena
allow to build PMIC leds with BLN support
jenad: enable BLN
media: radio: update tavarua to msm-3.4
msm: camera: add support for legacy camera and sr300pc20 sensor
board_jena: use PMEM for ADSP
input: touchscreen: melfas_ts: update API

Remove BOARD_USES_LEGACY_TOUCHSCREEN