littlefs: Adopted new test configurations and status
littlefs: Adopted new test configurations and status

- Now tests LFS_NO_INTRINSICS
- Also updates status with build results

andcor02/mbed-os,c1728p9/mbed-os,mbedmicro/mbed,andcor02/mbed-os,andcor02/mbed-os,mbedmicro/mbed,mbedmicro/mbed,betzw/mbed-os,c1728p9/mbed-os,mbedmicro/mbed,betzw/mbed-os,betzw/mbed-os,andcor02/mbed-os,c1728p9/mbed-os,kjbracey-arm/mbed,c1728p9/mbed-os,betzw/mbed-os,kjbracey-arm/mbed,betzw/mbed-os,c1728p9/mbed-os,mbedmicro/mbed,c1728p9/mbed-os,andcor02/mbed-os,andcor02/mbed-os,kjbracey-arm/mbed,betzw/mbed-os,kjbracey-arm/mbed