Use a command group 'remote_bitbang' with subcommands instead of individual
commands with 'remote_bitbang_' prefix.
The old commands are still available for backward compatibility but
marked as deprecated.
Change-Id: I2692320f19c8a357112a365db6ca7e13cd6ad411
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: http://openocd.zylin.com/6389
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>