crypto/aesni_mb: add missing supported algos in guide
crypto/aesni_mb: add missing supported algos in guide

AESNI MB PMD supports SHA224-HMAC and SHA384-HMAC,
but the documentation was not updated with this.

Signed-off-by: Pablo de Lara <28355d9cfe41bb8148aea0fb24f47aae8f4217a1@intel.com>
Acked-by: John McNamara <af31595c36a4239b9676e9b3a777d3e2f15a6c4d@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk