dt-bindings: gpio: ti,twl4030: Correct the schema $id path

dt-bindings: gpio: ti,twl4030: Correct the schema $id path

The $id for a binding should match its file path. The ti,twl4030-gpio
binding is located in the gpio/ subdirectory but was missing this from
its $id.

Correct the path to follow the standard convention.

Fixes: 842dcff8e2d6 ("dt-bindings: gpio: Convert ti,twl4030-gpio to DT schema")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com>
Fixes: 842dcff8e2d6 ("dt-bindings: gpio: Convert ti,twl4030-gpio to DT schema")
Link: https://lore.kernel.org/r/20250821194710.16043-1-jihed.chaibi.dev@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>