MAINTAINERS: update maintainer for qat

Add Giovanni and Salvatore who will take over the qat maintenance.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/MAINTAINERS b/MAINTAINERS
index f4a9c13..5d813a3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9292,7 +9292,8 @@
 S:	Maintained
 
 QAT DRIVER
-M:	Tadeusz Struk <tadeusz.struk@intel.com>
+M:	Giovanni Cabiddu <giovanni.cabiddu@intel.com>
+M:	Salvatore Benedetto <salvatore.benedetto@intel.com>
 L:	qat-linux@intel.com
 S:	Supported
 F:	drivers/crypto/qat/