Marcelo and Fin are no long IBMers, thus no longer NX maintainers.
Updating with the new names.

Adding VMX crypto maintainers.
Signed-off-by: NLeonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>