Makefile: Use O3 optimizations

Change-Id: I2ee8ec69b9bc6fbc6de096f4fcd8190946123d2b
USB force fast charging

    -Use base from Chad Froebel <chadfroebel@gmail.com> so we continue to
    use the same generic sysfs mechanism

    -Referenced franco's git for drivers/usb/otg/msm_otg.c changes
    https://github.com/franciscofranco/mako/commit/5a8a4c8e23c7e1df39c740b9ce1d5dda20b0ede3

    Off by default

    Turn on:
    echo 1 > /sys/kernel/fast_charge/force_fast_charge

    Turn off:
    echo 0 > /sys/kernel/fast_charge/force_fast_charge

Change-Id: I407fefa8abc19f2fc5b06002aabbc76e7946e626
Revert "add row iosched"

This reverts commit 9cbb1093ebb7433b76f08d70c4354566472950fb.