Added a LICENSE file.

Author: deadsy

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2016-2021 Jason Harris
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -31,6 +31,11 @@ Python Based ARM CoreSight Debug and Trace Tools
       saml21        : Atmel SAM L21 Xplained Pro Evaluation Board (ATSAML21J18B)
       tepo          : Teenage Engineering Pocket Operator (EFM32LG890F128)
 
+## Dependencies
+
+* sudo apt-get install python3-lxml
+* sudo apt-get install python3-hid
+
 ## Using the Tool
 
     $ ./pycs -t mb997c