CONFIG_ARM=y CONFIG_SOC_FAMILY_EXX32=y CONFIG_SOC_SERIES_EFR32FG1P=y CONFIG_BOARD_EFR32_SLWSTK6061A=y CONFIG_CONSOLE=y CONFIG_UART_CONSOLE=y CONFIG_SERIAL=y CONFIG_CORTEX_M_SYSTICK=y CONFIG_GPIO=y CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=38400000 CONFIG_CMU_HFCLK_HFXO=y