BaseTools: FMMT support ELF UPLD parser

FMMT add new function to support the .elf file parsing.
Using '-v' option, the UPLD info will be printed out.

'''
- UNIVERSAL_PAYLOAD_INFO
  - 4 bytes align (BOOLEAN)
    - Identifier
    - SpecRevision
    - Attribute
    - Revision
    - Capability
    - ProducerId
    - ImageId
UPLD Buffer
'''

Cc: Rebecca Cran <rebecca@bsdio.com>
Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Yuwei Chen <yuwei.chen@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>

BaseTools/Source/Python/FMMT/FMMT.py

@@ -84,6 +84,8 @@ class FMMT():
             ROOT_TYPE = ROOT_FFS_TREE
         elif filetype == '.sec':
             ROOT_TYPE = ROOT_SECTION_TREE
+        elif filetype == '.elf':
+            ROOT_TYPE = ROOT_ELF_TREE
         else:
             ROOT_TYPE = ROOT_TREE
         ViewFile(inputfile, ROOT_TYPE, layoutfilename, outputfile)