Added TW_NO_PARTITION_SD_CARD config flag
- even if the device supports SD card it is still handy
to control the SD partitioning function independently.
- when partitioning is disabled, "parted" utility is excluded
from build which spares some additional space in ramdisk

Change-Id: I2dcbb75e994df66e74400b0022eea960302c32b2
Don't build exfat-fuse when TW_NO_EXFAT_FUSE flag enabled

Change-Id: Ib844a909f1e93cc497c79b25edc43db7821bd215