ARM: at91/dt/trivial: use macro for AES irq type

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
ARM: at91/dt/trivial: before sama5d3, Atmel MPU were using at91 prefix

Change the sha/aes/tdes compatibility string to match common
case for the at91sam9g45 family which is to keep the at91 prefix.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
ARM: at91/dt/sama5d3: add DMA information to SHA/AES/TDES nodes

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>