MT32: Update Munt to 2.0.1-pre

This update uses upstream commit
f88ef828a600ce66d1f730c8fb2a7f580f6f6165.

This update switches to use the new Munt C++ interface, which
will allow ScummVM to link to an external Munt library instead
of requiring it to be built-in in the future. For the moment,
the emulator is still built-in, since it is not available from
most package repositories.

The Munt driver in ScummVM now uses writeSysex instead of the
(now-private) playSysexWithoutFraming, per recommendation from
the Munt team <https://github.com/munt/munt/pull/30>.

This changeset also removes direct modifications that used to be
made to Munt code, to ease future updates. To update Munt code in
the future:

1. Replace all source files in the `softsynth/mt32` directory with
   new files from the upstream `mt32emu/src` directory;
2. Update `config.h` with the correct version number for the new
   version of Munt;
3. Update `module.mk` to add any new source files that need to be
   built.

1 files changed, 1 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 812bf02d89..317dbd1f9e 100644
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,7 @@ For a more comprehensive changelog of the latest experimental code, see:
      the current or a specified directory.
    - Many options in GUI could be applied without closing the dialog.
    - On-the-fly language switching was implemented.
+   - Updated Munt MT-32 emulation code to version 2.0.0.
 
  AGOS:
    - Fixed subtitle speed setting in the Hebrew version of Simon the Sorcerer 1.