MAINTAINERS: add the Freescale QMC controller entry

After contributing the driver, add myself as the maintainer
for the Freescale QMC controller.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20230217145645.1768659-8-herve.codina@bootlin.comSigned-off-by: Mark Brown <broonie@kernel.org>

MAINTAINERS

@@ -8247,6 +8247,14 @@ S:	Maintained
 F:	drivers/soc/fsl/qe/
 F:	include/soc/fsl/qe/
 
+FREESCALE QUICC ENGINE QMC DRIVER
+M:	Herve Codina <herve.codina@bootlin.com>
+L:	linuxppc-dev@lists.ozlabs.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-scc-qmc.yaml
+F:	drivers/soc/fsl/qe/qmc.c
+F:	include/soc/fsl/qe/qmc.h
+
 FREESCALE QUICC ENGINE TSA DRIVER
 M:	Herve Codina <herve.codina@bootlin.com>
 L:	linuxppc-dev@lists.ozlabs.org