cut out prebuilt kernel

Change-Id: I6b3da50e9eb98fde800f296b98aef85df8257059
reduce touch vibration

Change-Id: Idaf80c0f89ee710f62553c052da6396ed50b51f0
O3

Change-Id: Iff2066d231436f3f94f17a757b51ebe33b852937
disable -O3 but Krait optimisations stays
-O3 caused some devices to boot into black screen (kernel start failour)
In meanwhile -O3 stays disabled until we find a solution.
Since Krait optimisations seems to be helpful, they stays.

Change-Id: Ib80e0b1d6e1d1fbdec50bac011b7aa18b3b46747
increase headphones safe volume level
With 4.3 audio levels, especially headphones, are lower then previousely.
This commit might help, reports are welcome.

Change-Id: Iedae891c1f18eeebe178214a41d70ae3f784f569
Revert "cut out prebuilt kernel"

This reverts commit 989e0f4e0f72a136f0353d9b8845569821537318.
Change kernel name because I build it now myself