Solved
Comments wrong in L4+ include file
STM32Cube_FW_L4_V1.13.0\Drivers\CMSIS\Device\ST\STM32L4xx\Include\stm32l4r5xx.h
#define SDMMC_CLKCR_WIDBUS_Pos (14U)
#define SDMMC_CLKCR_WIDBUS_Msk (0x3UL << SDMMC_CLKCR_WIDBUS_Pos) /*!< 0x0000C000 */
#define SDMMC_CLKCR_WIDBUS SDMMC_CLKCR_WIDBUS_Msk /*!<WIDBUS[1:0] bits (Wide bus mode enable bit) */
#define SDMMC_CLKCR_WIDBUS_0 (0x1UL << SDMMC_CLKCR_WIDBUS_Pos) /*!< 0x00000800 */
#define SDMMC_CLKCR_WIDBUS_1 (0x2UL << SDMMC_CLKCR_WIDBUS_Pos) /*!< 0x00001000 */
