Add clock_delay_us and clock_set_seconds to clock.h. Modify clock_wait to use clock_time_t.

Remove the troublesome avr/dev/delay.* files.
Add PLATFORM_NAME and combine the confusing *_REVISION defines into a single PLATFORM_TYPE

tools/stm32w/uip6_bridge/uip6-bridge-tap.c

@@ -26,7 +26,6 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: uip6-bridge-tap.c,v 1.2 2011/01/19 09:13:06 salvopitru Exp $
  *
  */
 
@@ -43,6 +42,7 @@
 #include "dev/slip.h"
 #include "dev/leds.h"
 #include "sicslow_ethernet.h"
+#include "sys/clock.h"
 
 #include "net/packetbuf.h"
 
@@ -50,8 +50,6 @@
 #include <stdio.h>
 #include <string.h>
 
-void clock_wait(int i);
-
 #define UIP_IP_BUF ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
 
 PROCESS(uip6_bridge, "IPv6/6lowpan TAP bridge");