default or selected kernelversion does not have config value CONFIG_MMC_SDHCI_SIRF.
Result is shown for kernelversion 6.9.9

SDHCI support on CSR SiRFprimaII and SiRFmarco SoCs

modulename: sdhci-sirf.ko

configname: CONFIG_MMC_SDHCI_SIRF

Linux Kernel Configuration
└─>Device Drivers
└─>MMC/SD/SDIO card support
└─>SDHCI support on CSR SiRFprimaII and SiRFmarco SoCs
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This selects the SDHCI support for SiRF System-on-Chip devices.

If you have a controller with this interface, say Y or M here.

If unsure, say N.

source code: