CameraHal: Add external gamma table configuration

- Added support to set external gamma table.
  Application can set camera parameter with key "gamma-table"
  and value in the form:
  "(OffsetR0:SlopeR0,OffsetR1:SlopeR1,...,OffsetRN:SlopeRN),"
  "(OffsetG0:SlopeG0,OffsetG1:SlopeG1,...,OffsetGN:SlopeGN),"
  "(OffsetB0:SlopeB0,OffsetB1:SlopeB1,...,OffsetBN:SlopeBN)"

Depends on hardware/ti/domx change I199d28e2:
http://review.omapzoom.org/#/c/27885/

Change-Id: I5dabde9b693cf8cb501ec8584729cd4fa174939c
Signed-off-by: Vladimir Petrov <vppetrov@mm-sol.com>
7 files changed