IMX7D_UART6_ROOT_SRC  256 include/dt-bindings/clock/imx7d-clock.h #define IMX7D_UART6_ROOT_SRC		247
IMX7D_UART6_ROOT_SRC  256 scripts/dtc/include-prefixes/dt-bindings/clock/imx7d-clock.h #define IMX7D_UART6_ROOT_SRC		247