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/BSC9132QDS_NOR_DDRCLK133_SECURE_defconfig b/configs/BSC9132QDS_NOR_DDRCLK133_SECURE_defconfig
index de50261..06e46a7 100644
--- a/configs/BSC9132QDS_NOR_DDRCLK133_SECURE_defconfig
+++ b/configs/BSC9132QDS_NOR_DDRCLK133_SECURE_defconfig
@@ -27,6 +27,7 @@
 CONFIG_MTDIDS_DEFAULT="nor0=88000000.nor,nand0=ff800000.flash,"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=88000000.nor:256k(dtb),7m(kernel),55m(fs),1m(uboot);ff800000.flash:1m(uboot),8m(kernel),512k(dtb),-(fs)"
 CONFIG_DM=y
+CONFIG_FSL_ESDHC=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_SPANSION=y