include: Include common.h for pal sources
include: Include common.h for pal sources

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

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