Add Beelink-Mini-MX-2G contributor: atsdai

CONTRIBUTOR.md

@@ -18,4 +18,5 @@ The `kernel` / `u-boot` and other resources used by this system are mainly copie
 | [JFLim1](https://github.com/JFLim1) | 08. [2022-01-18] After his test in [Issues](https://github.com/ophub/amlogic-s9xxx-armbian/issues/81), He provided a solution to the `black screen` of the `gtking-pro-rev-a` box by disabling the `/etc/udev/rules.d/hdmi.rules` file. |
 | [DiogoSilva48](https://github.com/DiogoSilva48) | 09. [2022-02-02] After his test in [Issues](https://github.com/ophub/amlogic-s9xxx-armbian/issues/98), The `tbee-box` can use the default firmware of the `s905x`. He provided two ways to enable `wifi`. |
 | [darkliang](https://github.com/darkliang) | 10. [2022-02-18] He submitted support for `Khadas-VIM3` box with SoC `A311D` in [Pull](https://github.com/ophub/amlogic-s9xxx-openwrt/pull/210), provided mainline U-BOOT file(`khadas-vim3-u-boot.sd.bin`) and configuration information. After his feedback, this box supports writing to `eMMC` and supports `5.4.y` and `5.10.y` kernels. |
+| [atsdai](https://github.com/atsdai) | 11. [2022-03-01] He feedback the `Beelink-Mini-MX-2G` RTL8211F Ethernet TX fix in [Issues](https://github.com/ophub/amlogic-s9xxx-armbian/issues/127). Now [unifreq](https://github.com/unifreq) has added this scheme to the default kernel ([5.4](https://github.com/unifreq/linux-5.4.y/commit/456817db17ec67621d347963e2100a331b5a089d) / [5.10](https://github.com/unifreq/linux-5.10.y/commit/86fb0e941db620ff8851ec95100d414dc95f13ad) / [5.15](https://github.com/unifreq/linux-5.15.y/commit/c4d36d65651570e0ef2d00541e3b9058f2182e93) / [5.16](https://github.com/unifreq/linux-5.16.y/commit/2cc6ab2ced2221235e39ef33e83b62b55bc3b28b) have been added), the name is: `meson-gxbb-beelink-mini-mx.dtb` |