Revert "ODROIDU2: Regulator and USB Changes || ODROID: vdd_g3d fix || ODROID: Overclock Support"

This reverts commit b00bee9499de24d7e0ad22afc3308274dbe682f5.
ODROIDU2: Setting USB to low
HKDK4412: Fixing g3d voltage
HKDK4412: Enabling Overclock