add generic serial_device_instance and helper, add trigger DI
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-rw-r--r-- 62 Makefile.am
-rwxr-xr-x 234 autogen.sh
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-rw-r--r-- 1016 configure.ac
drwxr-xr-x - doc
drwxr-xr-x - frontend
drwxr-xr-x - hardware
drwxr-xr-x - include