BaseTools: Add DevicePath support for PCD values

Use C code parse device path to output hex string, and Python
run command when PCD Value need device path parse.

https://bugzilla.tianocore.org/show_bug.cgi?id=541

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yunhua Feng <yunhuax.feng@intel.com>
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

BaseTools/Source/C/GNUmakefile

@@ -67,7 +67,8 @@ APPLICATIONS = \
   LzmaCompress \
   Split \
   TianoCompress \
-  VolInfo
+  VolInfo \
+  DevicePath
 
 SUBDIRS := $(LIBRARIES) $(APPLICATIONS)