MAINTAINERS: Add QE files related to the Freescale QMC controller

The Freescale QMC controller driver supports both QE and CPM1.

Add the newly introduced QE files to the existing entry.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-37-herve.codina@bootlin.comSigned-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>

MAINTAINERS

@@ -8996,6 +8996,7 @@ 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:	Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ucc-qmc.yaml
 F:	drivers/soc/fsl/qe/qmc.c
 F:	include/soc/fsl/qe/qmc.h