Fix version string

Change-Id: If9630fab7c86ced61828c79092dde0eeaee2244e
diff --git a/config/common.mk b/config/common.mk
index 73383e6..878bd74 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -143,7 +143,7 @@
 
 # Versioning System
 # SlimLP first version.
-PRODUCT_VERSION_MAJOR = 5.0
+PRODUCT_VERSION_MAJOR = 5.0.1
 PRODUCT_VERSION_MINOR = alpha
 PRODUCT_VERSION_MAINTENANCE = 0.6
 ifdef SLIM_BUILD_EXTRA