[Patch] BaseTools: Fix the bug of --cmd-len build option

["Bob Feng" <bob.c.feng@intel.com>]

currently the --cmd-len build option does not work.
This patch is going to fix this bug.

Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>
---
 BaseTools/Source/Python/AutoGen/AutoGenWorker.py | 1 +
 BaseTools/Source/Python/AutoGen/DataPipe.py      | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/BaseTools/Source/Python/AutoGen/AutoGenWorker.py b/BaseTools/Source/Python/AutoGen/AutoGenWorker.py
index 0425f1ab0b..eea15239d4 100755
--- a/BaseTools/Source/Python/AutoGen/AutoGenWorker.py
+++ b/BaseTools/Source/Python/AutoGen/AutoGenWorker.py
@@ -196,10 +196,11 @@ class AutoGenWorkerInProcess(mp.Process):
                 workspacedir,active_p,target,toolchain,archlist
                 )
             self.Wa._SrcTimeStamp = self.data_pipe.Get("Workspace_timestamp")
             GlobalData.gGlobalDefines = self.data_pipe.Get("G_defines")
             GlobalData.gCommandLineDefines = self.data_pipe.Get("CL_defines")
+            GlobalData.gCommandMaxLength = self.data_pipe.Get('gCommandMaxLength')
             os.environ._data = self.data_pipe.Get("Env_Var")
             GlobalData.gWorkspace = workspacedir
             GlobalData.gDisableIncludePathCheck = False
             GlobalData.gFdfParser = self.data_pipe.Get("FdfParser")
             GlobalData.gDatabasePath = self.data_pipe.Get("DatabasePath")
diff --git a/BaseTools/Source/Python/AutoGen/DataPipe.py b/BaseTools/Source/Python/AutoGen/DataPipe.py
index 86ac2b928d..41af343f62 100755
--- a/BaseTools/Source/Python/AutoGen/DataPipe.py
+++ b/BaseTools/Source/Python/AutoGen/DataPipe.py
@@ -146,10 +146,12 @@ class MemoryDataPipe(DataPipe):
 
         self.DataContainer = {"G_defines": GlobalData.gGlobalDefines}
 
         self.DataContainer = {"CL_defines": GlobalData.gCommandLineDefines}
 
+        self.DataContainer = {"gCommandMaxLength": GlobalData.gCommandMaxLength}
+
         self.DataContainer = {"Env_Var": {k:v for k, v in os.environ.items()}}
 
         self.DataContainer = {"PackageList": [(dec.MetaFile,dec.Arch) for dec in PlatformInfo.PackageList]}
 
         self.DataContainer = {"GuidDict": PlatformInfo.Platform._GuidDict}
-- 
2.18.0.windows.1