Add 0.2.26 changes

Author: Jenkins

versions/0.2.26/CHANGES.md

@@ -0,0 +1,8 @@
+Changes:
+- Use BSP 1.2 kernel (without backports): https://github.com/ayufan-pine64/linux-pine64: my-hacks-1.2,
+- Support headphones, enable on boot,
+- Auto-generate wifi mac address,
+- Allow accessing eMMC when booting from SD,
+
+Currently, it only works on Pinebook.
+