dt-bindings: at24: extend the list of supported chips

Add other variants of at24 EEPROMs we support in the driver to the
list of allowed compatible fallbacks.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/eeprom/at24.txt

@@ -7,13 +7,22 @@ Required properties:
 
                 "atmel,24c00",
                 "atmel,24c01",
+                "atmel,24cs01",
                 "atmel,24c02",
+                "atmel,24cs02",
+                "atmel,24mac402",
+                "atmel,24mac602",
                 "atmel,spd",
                 "atmel,24c04",
+                "atmel,24cs04",
                 "atmel,24c08",
+                "atmel,24cs08",
                 "atmel,24c16",
+                "atmel,24cs16",
                 "atmel,24c32",
+                "atmel,24cs32",
                 "atmel,24c64",
+                "atmel,24cs64",
                 "atmel,24c128",
                 "atmel,24c256",
                 "atmel,24c512",