Merge branch 'v1.4' of https://github.com/mz-automation/libiec61850 into v1.4

hal/ethernet/linux/ethernet_linux.c

@@ -23,7 +23,7 @@
 
 #include <sys/socket.h>
 #include <sys/ioctl.h>
-#include <sys/poll.h>
+#include <poll.h>
 #include <linux/if_packet.h>
 #include <linux/if_ether.h>
 #include <linux/if_arp.h>

hal/serial/linux/serial_port_linux.c

@@ -29,6 +29,7 @@
 #include <termios.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <sys/time.h>
 
 #include "hal_serial.h"
 #include "hal_time.h"