SAMA5 ADC:  Framework for an ADC driver (incomplete)
SAMA5:  Framework for an touchscreen driver (incomplete)
KL25Z:  Add low-level up_lowgetc function that can be used to provide an NSH console when the file system (and hence the serial driver) is disabled.  From Alan Carvalho de Assis
KL25Z:  Add low-level up_lowgetc function that can be used to provide an NSH console when the file system (and hence the serial driver) is disabled.  From Alan Carvalho de Assis
Add freedom-kl25z/minnsh configuration:  This is an experiment to see just how small we and get an NSH configuration.  From Alan Carvalho de Assis.
Changes to NSH and readline to permit NSH to work on a platform with no file system
SAMA5 ADC/Touchscreen:  A little more progress.  Still not complete
net/net_sendfile:  High performance sendfile is now functional.  From Max Holtzberg
cosmetic update to comments
Fix some funny 'cut' results
Fix a error in a recent checkin to fix dependencies wehn object files lie in sub-directories
minor update to SAMA5 part names
SAMA5 touchscreen and ADC: A little more progress
KL: Missing header file in low level getc logic
KL: Now builds up_puts
More improvements to the minimal NSH when there is no file system and when print fieldwidths are suppressed
Remove some warnings
Merge branch 'nuttx' into alpha