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

CONFIG_IMX_HAVE_PLATFORM_SPI_IMX (not configurable)

modulename: platform-spi_imx.ko

configname: CONFIG_IMX_HAVE_PLATFORM_SPI_IMX

Linux Kernel Configuration
└─>IMX_HAVE_PLATFORM_SPI_IMX
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
source code:
arch/arm/mach-imx/devices/platform-spi_imx.c