Sync the interrupt properties with the ones from Linux. Also use the
constants provided by the dt-bindings header. Please note, that there
are actual changes/fixes in the irq flags. U-Boot won't use the
interrupt properties anyway. It's just to be consistent with the Linux
device tree.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>