vendor: update minor version to 5.0.2

and bump internal version

Change-Id: I1a80961b1f00044e2ef2b7857f8485e5fb3271f9
diff --git a/config/common.mk b/config/common.mk
index d3c5c49..ac1bd75 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -151,9 +151,9 @@
 
 # Versioning System
 # SlimLP first version.
-PRODUCT_VERSION_MAJOR = 5.0.1
+PRODUCT_VERSION_MAJOR = 5.0.2
 PRODUCT_VERSION_MINOR = alpha
-PRODUCT_VERSION_MAINTENANCE = 0.9
+PRODUCT_VERSION_MAINTENANCE = 0.91
 ifdef SLIM_BUILD_EXTRA
     SLIM_POSTFIX := -$(SLIM_BUILD_EXTRA)
 endif