Add contributor for E900V21C(s905l): Jstzo2u

CONTRIBUTORS.md

@@ -157,4 +157,5 @@ The [u-boot](https://github.com/ophub/u-boot), [kernel](https://github.com/ophub
 | [Pat-78](https://github.com/Pat-78) | 147. [2024-05-01] According to his sharing in the [Issues](https://github.com/ophub/amlogic-s9xxx-armbian/issues/2282) request, the `A95X-F3-Air(s905x3)` box has received support. The used dtb is `meson-sm1-a95xf3-air.dtb`, u-boot used `u-boot-x96maxplus.bin`. The 100Mbps wired network works fine. |
 | [AboutCXJ](https://github.com/AboutCXJ) | 148. [2024-05-03] According to his sharing in the [Issues](https://github.com/ophub/amlogic-s9xxx-armbian/issues/2292) request, the `B863AV3.1-M2(s905l3ab)` box has received support. The used dtb is `meson-g12a-s905l3a-e900v22c.dtb`, u-boot used `u-boot-e900v22c.bin`. The 100Mbps wired network works fine. |
 | [unifreq](https://github.com/unifreq) | 149. [2024-05-19] Copied u-boot and other relevant information from [unifreq's](https://github.com/unifreq) repository for radxa `rock5c(rk3588s)` & `e20c(rk3528)`, and added support for these two devices. |
+| [Jstzo2u](https://github.com/Jstzo2u) | 150. [2024-06-01] According to his sharing in the [Issues](https://github.com/ophub/amlogic-s9xxx-armbian/issues/2341) request, the `E900V21C(s905l)` box has received support. The used dtb is `meson-gxl-s905l-venz-v10.dtb`, u-boot used `u-boot-p212.bin`. The 100Mbps wired network works fine. |