MAINTAINERS: Add irqchip DT bindings doc path to IRQCHIP DRIVERS section

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lkml.kernel.org/r/1409212607-4021-1-git-send-email-geert+renesas@glider.be
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
diff --git a/MAINTAINERS b/MAINTAINERS
index aefa948..71e86af 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4948,6 +4948,7 @@
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
 T:	git git://git.infradead.org/users/jcooper/linux.git irqchip/core
+F:	Documentation/devicetree/bindings/interrupt-controller/
 F:	drivers/irqchip/
 
 IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)