BaseTools: Fix dependency issue in PcdValueInit

This change has been accepted upstream, but not yet merged into master.

The generated Makefile was missing a dependency.  This results in a
build-time race condition if the called make runs multiple jobs.

Bug 3526159

Change-Id: Ic5df115b1748f393cb495c3a97153e0dc94b3be7

BaseTools/Source/Python/Workspace/DscBuildData.py

@@ -97,7 +97,8 @@ def _IsFieldValueAnArray (Value):
 
 AppTarget = '''
 all: $(APPFILE)
-$(APPFILE): $(OBJECTS)
+$(APPLICATION): $(OBJECTS)
+$(APPFILE): $(APPLICATION)
 %s
 '''