Config: remove unnecessary semicolon(;)

Signed-off-by: Zeying Xie <swpdtz@gmail.com>
Signed-off-by: Eduardo Silva <edsiper@gmail.com>
Cheetah: Add a funtion to strip leading and trailing whitespace of input command line

Signed-off-by: Zeying Xie <swpdtz@gmail.com>
Signed-off-by: Eduardo Silva <edsiper@gmail.com>