u8860: Use proper L3G4200D temperature calibration
usb: otg: Add sysfs entry for manual current limit/disable switch

Modes:
-1: Automatic (charging enabled, automatic current).
0: Disabled.
>0: Manual current limit.
Revert "USB: msm72k_udc: Allow storing custom charging current."

This reverts commit eb4a42d7aec8982158adabeecdd4cd9392745a83.
Revert "USB: msm72k_udc: Always save chg_current."

This reverts commit bfe35b4942ecfa0f023a51532e0b3dda54c0bbaf.