treewide: Migrate CONFIG_FSL_ESDHC to Kconfig

Migrate the CONFIG_FSL_ESDHC option to Kconfig.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
diff --git a/configs/P2041RDB_SDCARD_defconfig b/configs/P2041RDB_SDCARD_defconfig
index 49e38e0..47fe40c 100644
--- a/configs/P2041RDB_SDCARD_defconfig
+++ b/configs/P2041RDB_SDCARD_defconfig
@@ -24,6 +24,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_FSL_CAAM=y
+CONFIG_FSL_ESDHC=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_SPANSION=y