Documentation: dt: input: fix spelling mistakes

Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/input/ads7846.txt

@@ -29,7 +29,7 @@ Optional properties:
 	ti,vref-delay-usecs		vref supply delay in usecs, 0 for
 					external vref (u16).
 	ti,vref-mv			The VREF voltage, in millivolts (u16).
-					Set to 0 to use internal refernce
+					Set to 0 to use internal references
 					(ADS7846).
 	ti,keep-vref-on			set to keep vref on for differential
 					measurements as well

Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt

@@ -15,7 +15,7 @@ Optional properties:
  - fsl,pen-debounce-ns: Pen debounce time in nanoseconds.
  - fsl,pen-threshold: Pen-down threshold for the touchscreen. This is a value
    between 1 and 4096. It is the ratio between the internal reference voltage
-   and the measured voltage after the plate was precharged. Resistence between
+   and the measured voltage after the plate was precharged. Resistance between
    plates and therefore the voltage decreases with pressure so that a smaller
    value is equivalent to a higher pressure.
  - fsl,settling-time-ns: Settling time in nanoseconds. The settling time is before