fstab.qcom: correcting sysfs entry for the sdcard slot

Because of incorrect sysfs entry, sdcard was not able
to mount at /storage/sdcard1 location. sysfs entry
corrected to /devices/msm_sdcc.2/mmc_host

Change-Id: I0a7b7a70257630bc314e0c6dfe5ded173c34fb4f
CRs-fixed: 509663
1 file changed