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/m53evk_defconfig b/configs/m53evk_defconfig
index 0f1b58b..5dacd71 100644
--- a/configs/m53evk_defconfig
+++ b/configs/m53evk_defconfig
@@ -41,6 +41,7 @@
 CONFIG_CMD_UBI=y
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_DWC_AHSATA=y
+CONFIG_FSL_ESDHC=y
 CONFIG_NAND=y
 CONFIG_NAND_MXC=y
 CONFIG_PHYLIB=y