CONFIG_IMX_HAVE_PLATFORM_ESDHC is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_IMX_HAVE_PLATFORM_ESDHC (not configurable)

modulename: platform-esdhc.ko

configname: CONFIG_IMX_HAVE_PLATFORM_ESDHC

Linux Kernel Configuration
└─>IMX_HAVE_PLATFORM_ESDHC
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
source code:
arch/arm/plat-mxc/devices/platform-esdhc.c