While "flash bank" syntax has been changed long ago, several tcl script are still not fully update. Fix following cases related with "cfi" driver: - syntax error: the mandatory <name> parameter is missing - warning: the <target> parameter is a number, instead of the target name - the comment line above the command does not report actual syntax Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>tags/v0.5.0-rc1