ARM: dts: exynos: Add Samsung Galaxy Tab 3 8.0 boards

Introduce support for the Galaxy Tab 3 8.0 series of boards:

 - Samsung Galaxy Tab 3 8.0 WiFi (SM-T310/lt01wifi)
 - Samsung Galaxy Tab 3 8.0 3G (SM-T311/lt013g)
 - Samsung Galaxy Tab 3 8.0 LTE (SM-T315/lt01lte)

What works:

 - Display and backlight
 - Touchscreen
 - GPIO buttons, hall sensor
 - WiFi and Bluetooth
 - USB, fuel gauge, charging
 - Accelerometer and magnetometer
 - Audio: speaker, microphone, headset
 - WiFi model only: light sensor

Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Link: https://lore.kernel.org/r/20230714101229.30641-1-aweber.kernel@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>