Chore/bacnet-sc-unrelated-cleanup (#620)

* Added required linux Ethernet library for ethernet build

* Added .obj to gitignore

* Fixed BACnet port for APPLE to use BSD in CMake

* Changed format in CMake to enable cleaner SC merge

* Added create-object and delete-object recipes in GCC Makefile

* Added datalink timer to all example OS apps

* Changed most microcontroller ports to use BACAPP_MINIMAL to specify which datatypes can be written.

* Fixed zephyr OS for BACnet/IP warning

* Fixed zephyr OS log to not require log_strdup

* Added writefile API to file object example

* Added API to device-client to make it more robust.

* Added API in network-port object for getting the ASCII object-name

* Added debug print with a timestamp option

* Added debug print with hex dump print

* Added API to network port object for activate and discard

* Added default define for debug with timestamp

* Added prototype in header for disabled debug printf.

* Added fifo peek ahead function to peek at more than one byte.

* Added get-mac value for network port that uses buffer rather than octetstring

ports/zephyr/bip-init.c

@@ -338,7 +338,7 @@ uint16_t bip_receive(
     }
     ZSOCK_FD_ZERO(&read_fds);
     ZSOCK_FD_SET(BIP_Socket, &read_fds);
-    FD_SET(BIP_Broadcast_Socket, &read_fds);
+    ZSOCK_FD_SET(BIP_Broadcast_Socket, &read_fds);
 
     max = BIP_Socket > BIP_Broadcast_Socket ? BIP_Socket : BIP_Broadcast_Socket;
 
@@ -507,7 +507,7 @@ void bip_set_interface(char *ifname)
         bip_set_addr(&unicast);
         bip_set_broadcast_addr(&broadcast);
         LOG_INF("BACnet/IP Unicast: %u.%u.%u.%u:%d", unicast.address[0],
-            unicast.address[1], unicast.address[2], unicast.address[3], 
+            unicast.address[1], unicast.address[2], unicast.address[3],
             unicast.port);
         LOG_INF("BACnet/IP Broadcast: %u.%u.%u.%u", broadcast.address[0],
             broadcast.address[1], broadcast.address[2], broadcast.address[3]);