This commit moves common properties for the boards below to a new dtsi:
Beeline Smartbox Flash (Arcadyan WG443223)
MTS WG430223 (Arcadyan WG430223)
The boards are almost the same. Here is the differences:
+------+----------+----------+
| | WG430223 | WG443223 |
+------+----------+----------+
| RAM | 128 | 256 |
+------+----------+----------+
| USB | - | 1x3.0 |
+------+----------+----------+
| LEDS | RG | RGB |
+------+----------+----------+
Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com>