nxstyle produces errors about mixed case identifiers like the following, which are found throughout the system:
GPIO_SPEED_100MHz GPIO_SPEED_10MHz GPIO_SPEED_120MHz GPIO_SPEED_25MHz GPIO_SPEED_2MHz GPIO_SPEED_400KHz GPIO_SPEED_40MHz GPIO_SPEED_50MHz GPIO_SPEED_5MHz Are abbreviations like MHz, KHz, Hz, intended to be exceptions to the mixed case rules? Thanks, Nathan
