linux-phytec-ti

ARM: dts: dra7: Add missing hdmi audio DMA channel information

The audio DMA request for hdmi is crossbar 76 and we use sDMA
to handle the data transfer.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>