[Tf-m] IRQ handling by Secure Partitions proposal

Hi all,

Apologies. Opening a new thread for the new design proposal:

Please see the following link for a design proposal on IRQ handling by Secure Partitions in TF-M: https://developer.trustedfirmware.org/w/tf_m/design/secure_partition_interru...

Any comments are welcome - preferably on this thread :)

Regards /Miklos (wmnt)