refactor(st): move SDMMC definitions to driver

Those specific SDMMC definitions are only used in stm32_sdmmc2.c driver.
Move them there.

Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Change-Id: Iac7e505e9421aa7630bee8ce6fc2277b98581995

drivers/st/mmc/stm32_sdmmc2.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2022, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2018-2023, STMicroelectronics - All Rights Reserved
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -131,6 +131,12 @@
 
 #define SDMMC_FIFO_SIZE			64U
 
+#define STM32MP_MMC_INIT_FREQ			U(400000)	/*400 KHz*/
+#define STM32MP_SD_NORMAL_SPEED_MAX_FREQ	U(25000000)	/*25 MHz*/
+#define STM32MP_SD_HIGH_SPEED_MAX_FREQ		U(50000000)	/*50 MHz*/
+#define STM32MP_EMMC_NORMAL_SPEED_MAX_FREQ	U(26000000)	/*26 MHz*/
+#define STM32MP_EMMC_HIGH_SPEED_MAX_FREQ	U(52000000)	/*52 MHz*/
+
 static void stm32_sdmmc2_init(void);
 static int stm32_sdmmc2_send_cmd_req(struct mmc_cmd *cmd);
 static int stm32_sdmmc2_send_cmd(struct mmc_cmd *cmd);

plat/st/stm32mp1/stm32mp1_def.h

@@ -416,12 +416,6 @@ enum ddr_type {
 #define STM32MP_SDMMC2_BASE		U(0x58007000)
 #define STM32MP_SDMMC3_BASE		U(0x48004000)
 
-#define STM32MP_MMC_INIT_FREQ			U(400000)	/*400 KHz*/
-#define STM32MP_SD_NORMAL_SPEED_MAX_FREQ	U(25000000)	/*25 MHz*/
-#define STM32MP_SD_HIGH_SPEED_MAX_FREQ		U(50000000)	/*50 MHz*/
-#define STM32MP_EMMC_NORMAL_SPEED_MAX_FREQ	U(26000000)	/*26 MHz*/
-#define STM32MP_EMMC_HIGH_SPEED_MAX_FREQ	U(52000000)	/*52 MHz*/
-
 /*******************************************************************************
  * STM32MP1 BSEC / OTP
  ******************************************************************************/