Fix return status for SPI read/write
Fix return status for SPI read/write

limemicro/lms7suite,romeojulietthotel/LimeSuite,limemicro/lms7suite,romeojulietthotel/LimeSuite,myriadrf/LimeSuite,myriadrf/LimeSuite,myriadrf/LimeSuite,myriadrf/LimeSuite,limemicro/lms7suite,romeojulietthotel/LimeSuite,myriadrf/LimeSuite,limemicro/lms7suite,limemicro/lms7suite,romeojulietthotel/LimeSuite,romeojulietthotel/LimeSuite