examples: base: Fix arguments warning in simple_example
examples: base: Fix arguments warning in simple_example

Signed-off-by: Ola Jeppsson <793f970c52ded1276b9264c742f19d1888cbaf73@adapteva.com>

aolofsson/pal,parallella/pal,aolofsson/pal,parallella/pal,parallella/pal,aolofsson/pal,aolofsson/pal,parallella/pal,parallella/pal