Revert "Input: Send events one packet at a time"

This reverts commit 54b8f6dd7ce7f2c2d22099c5b4919b1617dbe8a5.
Revert "multitouch fix"

This reverts commit 5bdb48e31fd5a18479395be6c9ee16a102d2b99d.
m4 defconfig & m4 overclock tweak