sort the fru file drop down list

Signed-off-by: Tim Harder <timothy.harder@analog.com>
dialogs: Add the option to select a FRU file from the fs

Signed-off-by: Tim Harder <timothy.harder@analog.com>
Partial Reconfiguration: Add plugin
Signed-off-by: Dan Nechita <dan.nechita@analog.com>
osc.c: Fix do_fft() to never set output data to -Inf value
 - This prevents gtkdatabox from hanging when such values are being displayed.
 - Configurations such as: FMComms2 in alert mode or FMComms2 with digital loopback set while scale is set to -Inf are are known to cause such problems.

Signed-off-by: Dan Nechita <dan.nechita@analog.com>