[bsp][STM32] Add CI for new stm32 bsp

.travis.yml

@@ -81,6 +81,11 @@ env:
   - RTT_BSP='stm32l475-iot-disco' RTT_TOOL_CHAIN='sourcery-arm' 
   - RTT_BSP='stm32l476-nucleo' RTT_TOOL_CHAIN='sourcery-arm' 
   - RTT_BSP='stm32h743-nucleo' RTT_TOOL_CHAIN='sourcery-arm' 
+  - RTT_BSP='stm32/stm32f103-atk-nano' RTT_TOOL_CHAIN='sourcery-arm'
+  - RTT_BSP='stm32/stm32f103-fire-arbitrary' RTT_TOOL_CHAIN='sourcery-arm'
+  - RTT_BSP='stm32/stm32f407-atk-explorer' RTT_TOOL_CHAIN='sourcery-arm'
+  - RTT_BSP='stm32/stm32f429-atk-apollo' RTT_TOOL_CHAIN='sourcery-arm'
+  - RTT_BSP='stm32/stm32f429-fire-challenger' RTT_TOOL_CHAIN='sourcery-arm'
 #  - RTT_BSP='taihu' RTT_TOOL_CHAIN='sourcery-ppc'
 #  - RTT_BSP='upd70f3454' # iar
 #  - RTT_BSP='x86' # x86