* sparc/aes-encrypt-internal.asm, sparc/aes-decrypt-internal.asm:

Reduced frame size to 104 bytes, since we no longer need wtxt and
tmp on the stack.

Rev: src/nettle/sparc/aes-decrypt-internal.asm:1.2
Rev: src/nettle/sparc/aes-encrypt-internal.asm:1.12