BaseTools/FMMT: Add a tool FMMT

FMMT is a tool to enable removal, addition and replacement of
FFS files in FD image binaries.
https://bugzilla.tianocore.org/show_bug.cgi?id=1847

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>

BaseTools/Source/C/FMMT/GNUmakefile

@@ -0,0 +1,16 @@
+## @file
+# GNU/Linux makefile for 'FMMT' module build.
+#
+# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+MAKEROOT ?= ..
+
+APPNAME = FMMT
+
+LIBS = -lCommon
+
+OBJECTS = FmmtLib.o Rebase.o FirmwareModuleManagement.o
+
+include $(MAKEROOT)/Makefiles/app.makefile
+