The driver presto defines the command 'presto serial' to specify
the serial string of the adapter.
Remove and deprecate the driver command, and use 'adapter serial'.
Change-Id: I1a69acce7d4910082d2029d5941ae84f9424314c
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6653
Tested-by: jenkins