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_SPIFLASH_DDRCLK100_defconfig b/configs/BSC9132QDS_SPIFLASH_DDRCLK100_defconfig
index 1518e6d..added1a 100644
--- a/configs/BSC9132QDS_SPIFLASH_DDRCLK100_defconfig
+++ b/configs/BSC9132QDS_SPIFLASH_DDRCLK100_defconfig
@@ -26,6 +26,7 @@
 CONFIG_MTDPARTS_DEFAULT="mtdparts=88000000.nor:256k(dtb),7m(kernel),55m(fs),1m(uboot);ff800000.flash:1m(uboot),8m(kernel),512k(dtb),-(fs)"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_FSL_CAAM=y
+CONFIG_FSL_ESDHC=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_SPANSION=y