Several adapter define their own command to specify the USB serial
number or serial string to be used during USB search.
Define a general command 'adapter serial' to be proposed as
replacement of the driver specific ones.
No driver is changed so far to use it.
Change-Id: I7631687a4163ccc63a9bdf3ad1fcb300fc483d3a
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6647
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Tested-by: jenkins
0343ae7cc7