jtag: convert 'unsigned' to 'unsigned int'

jtag: convert 'unsigned' to 'unsigned int'

Conversion done with
	checkpatch --fix-inplace -types UNSPECIFIED_INT

Ignore the cast as they could be better addressed.
Fix only minor additional checkpatch issue (spacing and line
length).

Change-Id: I2c1ef03bbc828112cc5bea89463cff9fc0c1e94f
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/8481
Reviewed-by: zapb <dev@zapb.de>
Tested-by: jenkins