MAINTAINERS: Add Vinicius Gomes to MAINTAINERS for IAA Crypto

Add Vinicius Gomes to the MAINTAINERS list for the IAA Crypto driver.

Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>