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/T1042D4RDB_NAND_defconfig b/configs/T1042D4RDB_NAND_defconfig
index 8c54f6f..7694551 100644
--- a/configs/T1042D4RDB_NAND_defconfig
+++ b/configs/T1042D4RDB_NAND_defconfig
@@ -40,6 +40,7 @@
 CONFIG_MTDPARTS_DEFAULT="mtdparts=fe8000000.nor:1m(uboot),5m(kernel),128k(dtb),96m(fs),-(user);fff800000.flash:2m(uboot),9m(kernel),128k(dtb),96m(fs),-(user);spife110000.0:2m(uboot),9m(kernel),128k(dtb),-(user)"
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_FSL_CAAM=y
+CONFIG_FSL_ESDHC=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_NAND=y
 CONFIG_SPI_FLASH=y