Patch file for E-mu XL-1

[e.j.vd.hooven (t638403)]

I made a midnam/patch file for the E-Mu Xtreme Lead 1 (XL-1).

https://raw.githubusercontent.com/t638403/ardour/master/patchfiles/E-mu_XL-1.midnam

Enjoy!

[paul (Paul Davis)]

Added to the source code/repository/stuff. Thanks very much!