package/mono: bump to version 4.2.1.102

This patch bumps to version 4.2.1.102 and updates
accompaining patches accordingly.

* Removed upstreamed patch 0003-fix-parallel-install.patch
* Adding patch to fix eglib linking option (upstreamed here
  https://github.com/mono/mono/pull/1971

 but not included in
  this release)
* Adding patch to remove compilation of unit-tests

Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>