SUMMARY: sort "Users"

Signed-off-by: Miguel Ojeda <[email protected]>

Author: ojeda

SUMMARY.md

@@ -31,12 +31,12 @@
 
 ## Users
 
-  - [NVMe Driver](NVMe-driver.md)
-  - [Null Block Driver](Null-Block-Driver.md)
   - [Android Binder Driver](Android-Binder-Driver.md)
-  - [PuzzleFS filesystem driver](PuzzleFS-filesystem-driver.md)
   - [Apple AGX GPU driver](Apple-AGX-GPU-driver.md)
   - [Nova GPU Driver](Nova-GPU-Driver.md)
+  - [Null Block Driver](Null-Block-Driver.md)
+  - [NVMe Driver](NVMe-driver.md)
+  - [PuzzleFS filesystem driver](PuzzleFS-filesystem-driver.md)
 
 # Links