clk_HFPERCLKUSART2   26 include/dt-bindings/clock/efm32-cmu.h #define clk_HFPERCLKUSART2	21
clk_HFPERCLKUSART2   26 scripts/dtc/include-prefixes/dt-bindings/clock/efm32-cmu.h #define clk_HFPERCLKUSART2	21