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/P1010RDB-PA_SPIFLASH_SECBOOT_defconfig b/configs/P1010RDB-PA_SPIFLASH_SECBOOT_defconfig
index 3d00852..7b8c77b 100644
--- a/configs/P1010RDB-PA_SPIFLASH_SECBOOT_defconfig
+++ b/configs/P1010RDB-PA_SPIFLASH_SECBOOT_defconfig
@@ -27,6 +27,7 @@
 CONFIG_MTDIDS_DEFAULT="nand0=ff800000.flash"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=ff800000.flash:2m(uboot-env),1m(dtb),5m(kernel),56m(fs),-(usr)"
 CONFIG_DM=y
+CONFIG_FSL_ESDHC=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_SPANSION=y