7cac4201f3
The host variant of python-xmodem will be needed by Snagboot, so this commit enables it. We also add a very simple test case that simply makes sure we can import the module. Testing xmodem more extensively is difficult without an actual serial port to open. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Julien Olivain <ju.o@free.fr>