vim-patch:9.1.1085: filetype: cmmt files are not recognized

Problem:  filetype: cmmt files are not recognized
Solution: detect '*.cmmt' as trace32 filetype
          (Christian Sax)

"*.cmmt" files use the same syntax as regular TRACE32 scripts,
but are intended as a kind of script template.

closes: vim/vim#16598

746fe54d4f

Co-authored-by: Christoph Sax <c_sax@mailbox.org>

runtime/lua/vim/filetype.lua

@@ -1191,6 +1191,7 @@ local extension = {
   svh = 'systemverilog',
   sv = 'systemverilog',
   cmm = 'trace32',
+  cmmt = 'trace32',
   t32 = 'trace32',
   td = 'tablegen',
   tak = 'tak',