crypto: Add aesenc_SB_SR_AK

Start adding infrastructure for accelerating guest AES.
Begin with a SubBytes + ShiftRows + AddRoundKey primitive.

Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index d422ce5..1817cfc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3224,6 +3224,7 @@
 S: Maintained
 F: crypto/
 F: include/crypto/
+F: host/include/*/host/crypto/
 F: qapi/crypto.json
 F: tests/unit/test-crypto-*
 F: tests/bench/benchmark-crypto-*