[target/[msm7627,msm7630,qsd8250]: Increase system partition size needed for Android 2.1 upgrade.

Increase the system partition size to 85MB for msm7627_surf, msm7627_ffa,
qsd8250_surf and qsd8250_ffa targets.
Increase the system partition size to 95MB for msm7630 target.
Add code to select the userdata size dynamically during run time for qsd8250_surf
and qsd8250_ffa targets.
5 files changed