dt-bindings: eeprom: rename to at24.txt

This binding documentation is for the at24 driver, so the filename
should reflect it. This avoids confusion because we also have an
"eeprom" driver in Linux but it doesn't support DT even.

Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>

diff --git a/Documentation/devicetree/bindings/eeprom/eeprom.txt b/Documentation/devicetree/bindings/eeprom/at24.txt
similarity index 100%
rename from Documentation/devicetree/bindings/eeprom/eeprom.txt
rename to Documentation/devicetree/bindings/eeprom/at24.txt