kernel: add missing config option

Signed-off-by: Hauke Mehrtens <[email protected]>

SVN-Revision: 47549

target/linux/generic/config-4.3

@@ -2238,6 +2238,7 @@ CONFIG_MMC_BLOCK_MINORS=8
 # CONFIG_MMC_SDHCI_IPROC is not set
 # CONFIG_MMC_SDHCI_MSM is not set
 # CONFIG_MMC_SDHCI_OF_ARASAN is not set
+# CONFIG_MMC_SDHCI_OF_AT91 is not set
 # CONFIG_MMC_SDHCI_OF_ESDHC is not set
 # CONFIG_MMC_SDHCI_OF_HLWD is not set
 # CONFIG_MMC_SDHCI_PXAV2 is not set