dt: fix refs that were renamed to json with the same file name

These files were converted to json-schema, but the references weren't
renamed.

Fixes: 66ed144f147a ("dt-bindings: interrupt-controller: Convert ARM GIC to json-schema")
(and other similar commits)

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>
Signed-off-by: Rob Herring <[e-mail]>

Documentation/devicetree/bindings/arm/omap/crossbar.txt

···
 Consumer:
 ========
 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt and
-Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt for
+Documentation/devicetree/bindings/interrupt-controller/arm,gic.yaml for
 further details.
 
 An interrupt consumer on an SoC using crossbar will use:

Documentation/devicetree/bindings/clock/samsung,s5pv210-clock.txt

···
 pin of the SoC. Refer to generic fixed rate clock bindings
 documentation[1] for more information how to specify these clocks.
 
-[1] Documentation/devicetree/bindings/clock/fixed-clock.txt
+[1] Documentation/devicetree/bindings/clock/fixed-clock.yaml
 
 Example: Clock controller node:
 

Documentation/devicetree/bindings/interrupt-controller/marvell,odmi-controller.txt

···
 - marvell,spi-base     : List of GIC base SPI interrupts, one for each
                          ODMI frame. Those SPI interrupts are 0-based,
                          i.e marvell,spi-base = <128> will use SPI #96.
-                         See Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt
+                         See Documentation/devicetree/bindings/interrupt-controller/arm,gic.yaml
                          for details about the GIC Device Tree binding.
 
 Example:

Documentation/devicetree/bindings/leds/irled/spi-ir-led.txt

···
 	- power-supply: specifies the power source. It can either be a regulator
 	  or a gpio which enables a regulator, i.e. a regulator-fixed as
 	  described in
-	  Documentation/devicetree/bindings/regulator/fixed-regulator.txt
+	  Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
 
 Example:
 

MAINTAINERS

···
 M:	Andreas Klinger <[e-mail]>
 L:	[e-mail]
 S:	Maintained
-F:	Documentation/devicetree/bindings/iio/adc/avia-hx711.txt
+F:	Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml
 F:	drivers/iio/adc/hx711.c
 
 AX.25 NETWORK LAYER
···
 M:	Hans de Goede <[e-mail]>
 L:	[e-mail]
 S:	Maintained
-F:	Documentation/devicetree/bindings/display/simple-framebuffer.txt
+F:	Documentation/devicetree/bindings/display/simple-framebuffer.yaml
 F:	drivers/video/fbdev/simplefb.c
 F:	include/linux/platform_data/simplefb.h