vold.conf 수정하기

1> Android RFS의 system/etc/vold.conf에 다음의 라인 추가
 
## vold configuration file for the emulator/SDK
volume_sdcard {
    ## This is the direct uevent device path to the SD slot on the device
    media_path     /devices/platform/s3c-sdhci.0 => SD 0번
    media_path     /devices/platform/s3c-sdhci.1 => SD 1번
    emu_media_path /devices/platform/goldfish_mmc.0/mmc_host/mmc0
    media_type     mmc
    mount_point    /sdcard
    ums_path       /devices/platform/usb_mass_storage/lun0
}