platform/x86: x86-android-tablets: Fix acer_b1_750_goodix_gpios name

The Acer B1 750 tablet used a Novatek NVT-ts touchscreen,
not a Goodix touchscreen.

Rename acer_b1_750_goodix_gpios to acer_b1_750_nvt_ts_gpios
to correctly reflect this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240216201721.239791-5-hdegoede@redhat.com