galaxysmtd: add bluetooth configuration

Change-Id: Ic1315f721db905fe345195faf85e7410a1c0aa62
Modified for SC-02B.
Compute md5 for modem.bin to update modem.bin.
Do not overwrite files in aries-common.
set libemoji_docomo.so.
Do not overwrite files for aries.
added pvrsrvinit.
Use binary files related to graphics for Nexus S.

Nexus S binaries for Android 4.1.2 (JZO54K) got from
https://developers.google.com/android/nexus/drivers?hl=ja
Use SamsungExynos3DocomoRIL.
Start gpsd.
avoid gethostbyname error.
Include modem.bin.md5sum in boot image.

Out releasetools.py is needed to include the file.
Use BOARD_RIL_CLASS for our RIL calss.

I did not know this flag!