dt/bindings: bcm2835: correct description for DMA-int

Interrupt DMA11 is the shared interrupt for DMA channels 11 to 14
Interrupt DMA12 is the shared interrupt triggering for any DMA channel
(this also includes DMA channel 15)

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Rob Herring <robh@kernel.org>
1 file changed