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/T2080RDB_SECURE_BOOT_defconfig b/configs/T2080RDB_SECURE_BOOT_defconfig
index 8bd16da..a4f584c 100644
--- a/configs/T2080RDB_SECURE_BOOT_defconfig
+++ b/configs/T2080RDB_SECURE_BOOT_defconfig
@@ -28,6 +28,7 @@
 CONFIG_MTDPARTS_DEFAULT="mtdparts=fe8000000.nor:1m(uboot),5m(kernel),128k(dtb),96m(fs),-(user);fff800000.flash:1m(uboot),5m(kernel),128k(dtb),96m(fs),-(user);spife110000.1:1m(uboot),5m(kernel),128k(dtb),-(user)"
 # CONFIG_CMD_IRQ is not set
 CONFIG_DM=y
+CONFIG_FSL_ESDHC=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y