openisr.init: Load optimized AES module if available
openisr.init: Load optimized AES module if available

- Load/unload the optimized AES kernel module if it is available for this
architecture

- Don't try to load/unload the optimized SHA-1 module if no such module
exists for this architecture

cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr