add the ci build

Author: supperthomas

.github/workflows/action.yml

@@ -108,6 +108,7 @@ jobs:
          - {RTT_BSP: "stm32/stm32h747-st-discovery", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "stm32/stm32h750-artpi-h750", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "stm32/stm32l4r9-st-eval", RTT_TOOL_CHAIN: "sourcery-arm"}
+         - {RTT_BSP: "stm32/stm32l4r9-st-sensortile-box", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "stm32/stm32l010-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "stm32/stm32l053-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}
          - {RTT_BSP: "stm32/stm32l412-st-nucleo", RTT_TOOL_CHAIN: "sourcery-arm"}