Changes

=== Updating keydata ===

=== Updating keydata ===

When bit26 in REG_AESCNT is enabled, keyslots can be updated by selecting a particular keyslot using REG_AESKEYCNT and then consecutively writing four words to REG_AESKEYXFIFO (keyX), REG_AESKEYYFIFO(keyY), or REG_AESKEYFIFO (normalkey).

The contents of the keyslot specified in REG_AESKEYCNT can be updated by consecutively writing four words to REG_AESKEYXFIFO (keyX), REG_AESKEYYFIFO(keyY), or REG_AESKEYFIFO (normalkey).

After writing to a keyslot, the keyslot in REG_AESKEYCNT must be set again, even when writing to the same keyslot.

After writing to a keyslot, the keyslot in REG_AESKEYCNT must be set again, even when writing to the same keyslot.