dt-bindings: mrvl,intc: fix a trivial typo

s/whold/whole/.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/interrupt-controller/mrvl,intc.txt

@@ -5,7 +5,7 @@ Required properties:
   "mrvl,mmp2-mux-intc"
 - reg : Address and length of the register set of the interrupt controller.
   If the interrupt controller is intc, address and length means the range
-  of the whold interrupt controller. If the interrupt controller is mux-intc,
+  of the whole interrupt controller. If the interrupt controller is mux-intc,
   address and length means one register. Since address of mux-intc is in the
   range of intc. mux-intc is secondary interrupt controller.
 - reg-names : Name of the register set of the interrupt controller. It's