vendor/omni: Fixed typo in common.mk

Change-Id: Icd80bb61fd77796bf93425950f893c214a3f869c
diff --git a/config/common.mk b/config/common.mk
index 5d443f2..28235d4 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -47,7 +47,7 @@
 # Additional packages
 -include vendor/omni/config/packages.mk
 
-# Versionning
+# Versioning
 -include vendor/omni/config/version.mk
 
 # Add our overlays