FPII-2776 : Bump the security patch level to 2017-02-05

Change-Id: Ief0143f5d000a293c2b7cb0cd8c26de8284f2196
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 30bbe15..32c98fa 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -73,7 +73,7 @@
   # Can be an arbitrary string, but must be a single word.
   #
   # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
-  PLATFORM_SECURITY_PATCH := 2017-01-05
+  PLATFORM_SECURITY_PATCH := 2017-02-05
 endif
 
 ifeq "" "$(PLATFORM_BASE_OS)"