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/mx53ppd_defconfig b/configs/mx53ppd_defconfig
index f4a0b9b..0f5ce14 100644
--- a/configs/mx53ppd_defconfig
+++ b/configs/mx53ppd_defconfig
@@ -26,6 +26,7 @@
 CONFIG_BOOTCOUNT_EXT=y
 CONFIG_SYS_BOOTCOUNT_EXT_DEVPART="0:5"
 CONFIG_SYS_BOOTCOUNT_ADDR=0x7000A000
+CONFIG_FSL_ESDHC=y
 CONFIG_NETDEVICES=y
 CONFIG_RTC_S35392A=y
 CONFIG_USB=y