ARM: shmobile: dt: Rename incorrect interrupt related binding

interrupts-names => interrupt-names

Other line changes are re-aligning.
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

Documentation/devicetree/bindings/memory-controllers/renesas-memory-controllers.txt

@@ -24,7 +24,7 @@ Required properties:
 Optional properties:
   - interrupts: Must contain a list of interrupt specifiers for memory
 		controller interrupts, if available.
-  - interrupts-names: Must contain a list of interrupt names corresponding to
+  - interrupt-names: Must contain a list of interrupt names corresponding to
 		     the interrupts in the interrupts property, if available.
 		     Valid interrupt names are:
 			- "sec" (secure interrupt)