MAINTAINERS: IPQ40XX: update GCC dt-bindings

The separate clock and reset dt-bindings for IPQ40XX were merged into one
recently, but the entry was not updated so do it now.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>

MAINTAINERS

@@ -337,8 +337,7 @@ M:	Robert Marko <robert.marko@sartura.hr>
 M:	Luka Perkov <luka.perkov@sartura.hr>
 S:	Maintained
 F:	arch/arm/mach-ipq40xx/
-F:	include/dt-bindings/clock/qcom,ipq4019-gcc.h
-F:	include/dt-bindings/reset/qcom,ipq4019-reset.h
+F:	include/dt-bindings/clock/qcom,gcc-ipq4019.h
 F:	drivers/reset/reset-ipq4019.c
 F:	drivers/phy/phy-qcom-ipq4019-usb.c
 F:	drivers/spi/spi-qup.c