SDHCI OF support for the Nintendo Wii SDHCI controllers

configname: CONFIG_MMC_SDHCI_OF_HLWD

Linux Kernel Configuration
└─>Device Drivers
└─>MMC/SD/SDIO card support
└─>SDHCI OF support for the Nintendo Wii SDHCI controllers
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
This selects the Secure Digital Host Controller Interface (SDHCI)
found in the "Hollywood" chipset of the Nintendo Wii video game
console.

If unsure, say N.