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/ls1021aqds_ddr4_nor_lpuart_defconfig b/configs/ls1021aqds_ddr4_nor_lpuart_defconfig
index 4567467..82da84b 100644
--- a/configs/ls1021aqds_ddr4_nor_lpuart_defconfig
+++ b/configs/ls1021aqds_ddr4_nor_lpuart_defconfig
@@ -33,6 +33,7 @@
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_DM=y
 CONFIG_FSL_CAAM=y
+CONFIG_FSL_ESDHC=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_NETDEVICES=y
 CONFIG_PHY_GIGE=y