counter: Sort the Kconfig entries alphabetically

Sort the Kconfig menu alphabetically to make it easier
to read as the list grows larger.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Link: https://lore.kernel.org/r/20230108074750.443705-1-pbrobinson@gmail.com/


Signed-off-by: William Breathitt Gray <william.gray@linaro.org>