ARM: dts: imx6sl: Complete the dcp node

The DCP block present on MX6SL is compatible with the one on MX28,
so add the compatible string and also complete the interrupt entries.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
1 file changed