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/T4160QDS_SECURE_BOOT_defconfig b/configs/T4160QDS_SECURE_BOOT_defconfig
index 7e42e61..57496bd 100644
--- a/configs/T4160QDS_SECURE_BOOT_defconfig
+++ b/configs/T4160QDS_SECURE_BOOT_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_DM=y
+CONFIG_FSL_ESDHC=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_SST=y