Disallow EDID writes. Add support for EDID reads which require the segment pointer to be set.
Detail: s/I2C - Revise HAL_VideoIICOp implementation to disallow EDID writes (&A0 IIC address). Attempt to write the EDID segment pointer when accessing EDID addresses >= 256. Admin: Builds but untested Same code as OMAP3-0_97 Version 0.35. Tagged as 'OMAP4-0_35'
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