MAINTAINERS: vfio/platform: Update sub-maintainer

Baptiste has changed positions and has not been active with
vfio-platform, replace with the current, de-facto sub-maintainer
Eric Auger.
Acked-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

MAINTAINERS

@@ -14687,7 +14687,7 @@ F:	include/linux/mdev.h
 F:	samples/vfio-mdev/
 
 VFIO PLATFORM DRIVER
-M:	Baptiste Reynal <b.reynal@virtualopensystems.com>
+M:	Eric Auger <eric.auger@redhat.com>
 L:	kvm@vger.kernel.org
 S:	Maintained
 F:	drivers/vfio/platform/