avoid warning
avoid warning

Avoid warning when using GCC:
  warning: no return statement in function returning non-void

Signed-off-by: Stefan Agner <eb0877843acc39f8ef6f7269937dee931c372d23@agner.ch>

NXPmicro/mfgtools,NXPmicro/mfgtools,NXPmicro/mfgtools