updated support for orangepi_zero_2w

sources.txt

@@ -1,5 +1,6 @@
 https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.13.3.tar.xz
 # https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.1.91.tar.xz
+# https://github.com/orangepi-xunlong/linux-orangepi/archive/refs/heads/orange-pi-6.1-sun50iw9.zip
 https://busybox.net/downloads/busybox-1.36.1.tar.bz2
 https://downloads.uclibc-ng.org/releases/1.0.50/uClibc-ng-1.0.50.tar.xz
 https://gitea.home.com:3000/TolaMironcenko/initscripts/archive/20250110-1.tar.gz