Add the helper function str_enabled_disabled() to select between the two
strings 'enabled' and 'disabled' depending on a boolean value.
Additional functions for frequently used strings can be added in the future
if required.
Change-Id: I2d8ae96b141f87966836e6e4c3a2ed6d12b71fa5
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: https://review.openocd.org/c/openocd/+/9006
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>