hwmon: (ina2) update ti,ina2xx.yaml reference in documentation

Changeset 94f1ab944565 ("dt-bindings: hwmon: convert TI INA2xx bindings to dt-schema")
renamed: Documentation/devicetree/bindings/hwmon/ina2xx.txt
to: Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml.

Update its cross-reference accordingly.

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>
Link: https://lore.kernel.org/r/886bd2[e-mail]
Signed-off-by: Guenter Roeck <[e-mail]>

Documentation/hwmon/ina2xx.rst

···
 
 The shunt value in micro-ohms can be set via platform data or device tree at
 compile-time or via the shunt_resistor attribute in sysfs at run-time. Please
-refer to the Documentation/devicetree/bindings/hwmon/ina2xx.txt for bindings
+refer to the Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml for bindings
 if the device tree is used.
 
 Additionally ina226 supports update_interval attribute as described in