auxdisplay: Move arm-charlcd binding to correct folder

This is a follow up to the commit

  00846a4425 ("auxdisplay: Move arm-charlcd.c to drivers/auxdisplay folder")

for Device Tree binding.

No functional change.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/misc/arm-charlcd.txt

@@ -1,18 +0,0 @@
-ARM Versatile Character LCD
------------------------------------------------------
-This binding defines the character LCD interface found on ARM Versatile AB
-and PB reference platforms.
-
-Required properties:
-- compatible : "arm,versatile-clcd"
-- reg : Location and size of character LCD registers
-
-Optional properties:
-- interrupts - single interrupt for character LCD. The character LCD can
-  operate in polled mode without an interrupt.
-
-Example:
-	lcd@10008000 {
-		compatible = "arm,versatile-lcd";
-		reg = <0x10008000 0x1000>;
-	};