MAINTAINERS: add a maintainer for the Inside Secure crypto driver

A new cryptographic engine driver was added in
drivers/crypto/inside-secure. Add myself as a maintainer for this
driver.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

MAINTAINERS

@@ -6602,6 +6602,12 @@ F:	Documentation/input/multi-touch-protocol.rst
 F:	drivers/input/input-mt.c
 K:	\b(ABS|SYN)_MT_
 
+INSIDE SECURE CRYPTO DRIVER
+M:	Antoine Tenart <antoine.tenart@free-electrons.com>
+F:	drivers/crypto/inside-secure/
+S:	Maintained
+L:	linux-crypto@vger.kernel.org
+
 INTEL ASoC BDW/HSW DRIVERS
 M:	Jie Yang <yang.jie@linux.intel.com>
 L:	alsa-devel@alsa-project.org (moderated for non-subscribers)