CONFIG_SOC_HAS_OMAP2_SDRC is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

OMAP2 SDRAM Controller support

modulename: sdrc.ko

configname: CONFIG_SOC_HAS_OMAP2_SDRC

Linux Kernel Configuration
└─>TI OMAP/AM/DM/DRA Family
└─>TI OMAP2/3/4 Specific Features
└─>OMAP2 SDRAM Controller support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
arch/arm/mach-omap2/sdrc.c