Processing triggers for flash-kernel (3.0~rc.4ubuntu62.2) ...
Unsupported platform.
dpkg: error processing package flash-kernel (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 flash-kernel
E: Sub-process /usr/bin/dpkg returned an error code (1)
Makefile:18: recipe for target 'all' failed
make: *** [all] Error 100
Command '['/bin/sh', '/tmp/tmp5wcqra31', 'make', '-j1']' returned non-zero exit status 2