make use of %zx format string for size_t

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
use long for pipe to fix compile on 64 bit systems

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
make use of %llx format string for dma_addr_t

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
fix an other size_t format string for 64bit systems

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>