[build] Update travis.yml configuration file

.travis.yml

@@ -61,3 +61,6 @@ env:
   - RTT_BSP='xplorer4330/m4' RTT_TOOL_CHAIN='sourcery-arm'
   - RTT_BSP='lpc408x' RTT_TOOL_CHAIN='sourcery-arm'
   - RTT_BSP='beaglebone' RTT_TOOL_CHAIN='sourcery-arm'
+  - RTT_BSP='zynq7000' RTT_TOOL_CHAIN='sourcery-arm'
+  - RTT_BSP='frdm-k64f' RTT_ROOT_CHAIN='sourcery-arm'
+