[PATCH] IntelFsp2Pkg: Add PACKAGES_PATH support

[rthomaiy <richard.marian.thomaiyar@intel.com>]

Add PACKAGES_PATH support in GenCfgOpt.py

Cc: Maurice Ma <maurice.ma@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Richard Thomaiyar <richard.marian.thomaiyar@intel.com>
---
 IntelFsp2Pkg/Tools/GenCfgOpt.py | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/IntelFsp2Pkg/Tools/GenCfgOpt.py b/IntelFsp2Pkg/Tools/GenCfgOpt.py
index 654cdfc..0675b55 100644
--- a/IntelFsp2Pkg/Tools/GenCfgOpt.py
+++ b/IntelFsp2Pkg/Tools/GenCfgOpt.py
@@ -523,9 +523,13 @@ EndList
                                     if Match:
                                         IncludeFilePath = Match.group(1)
                                         IncludeFilePath = self.ExpandMacros(IncludeFilePath)
-                                        try:
-                                            IncludeDsc  = open(IncludeFilePath, "r")
-                                        except:
+                                        PackagesPath = os.getenv("PACKAGES_PATH")
+                                        for PackagePath in PackagesPath.split(os.pathsep):
+                                            IncludeFilePathAbs = os.path.join(os.path.normpath(PackagePath), os.path.normpath(IncludeFilePath))
+                                            if os.path.exists(IncludeFilePathAbs):
+                                                IncludeDsc  = open(IncludeFilePathAbs, "r")
+                                                break
+                                        if IncludeDsc == None:
                                             print("ERROR: Cannot open file '%s'" % IncludeFilePath)
                                             raise SystemExit
                                         NewDscLines = IncludeDsc.readlines()
-- 
2.9.0.windows.1