MAINTAINERS: add entry for LICENSES and SPDX stuff

Thomas and I seem to have become the "unofficial" maintainers for these
files and questions about SPDX things.  So let's make it official.

Reported-by: "Darrick J. Wong" <[email protected]>
Grumpily-acked-by: Thomas Gleixner <[email protected]>
Acked-by: Darrick J. Wong <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: gregkh

MAINTAINERS

@@ -9233,6 +9233,18 @@ F:	include/linux/nd.h
 F:	include/linux/libnvdimm.h
 F:	include/uapi/linux/ndctl.h
 
+LICENSES and SPDX stuff
+M:	Thomas Gleixner <[email protected]>
+M:	Greg Kroah-Hartman <[email protected]>
+L:	[email protected]
+S:	Maintained
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx.git
+F:	COPYING
+F:	Documentation/process/license-rules.rst
+F:	LICENSES/
+F:	scripts/spdxcheck-test.sh
+F:	scripts/spdxcheck.py
+
 LIGHTNVM PLATFORM SUPPORT
 M:	Matias Bjorling <[email protected]>
 W:	http://github/OpenChannelSSD