Does not exisits rfcomm module in OpenSTLinux
board : STM32MP157F-DK2os : OpenSTLinux Kirkstonebuild command : bitbake st-image-coreroot@stm32mp1:~# rfcommCan't open RFCOMM control socket: Protocol not supported
board : STM32MP157F-DK2os : OpenSTLinux Kirkstonebuild command : bitbake st-image-coreroot@stm32mp1:~# rfcommCan't open RFCOMM control socket: Protocol not supported