ARM: davinci: board-da850-evm: add I2C ID for VPIF

VPIF capture driver now has a way to specific I2C adapter ID (was
previously hard-coded.)  Use the new interface.

Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>