defconfig: version tag 7.4 -> 7.5

I have made a typo in version tag(v7.4) previously.
prcmu-dbg: rename prcmu registers entry

I'm doing some experiments about this recently.

Signed-off-by: cocafe <cocafehj@gmail.com>
defconfig: set up new ramdisk path
Revert "sched: Remove stale power aware scheduling remnants and dysfunctional knobs - http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8e7fbcbc22c12414bcc9dfdd683637f58fb32759"

Although mc/smt scheduler is broken, our kernel isn't clean to remove.

This reverts commit 130a25e513eb488cde8c0dda5672c627af67e088.
board-janice: reset mxT244E threshold on TA

Some users reported that touch screen became crazy when pluged a charger.

Signed-off-by: cocafe <cocafehj@gmail.com>
board-janice: reset mxT224E T48 YEDGEDIST platform data

It looks like touch screen position has some weried issues.

This reverts commit b578b17ff947ba4f591f2b4c753140a0649e7fe7.
mali: pre-allocated os memory size 18mb -> 16mb

Experiment some lagness

Signed-off-by: cocafe <cocafehj@gmail.com>
Revert "Added SLQB memory allocator."

This reverts commit 61e1a4de1993c82158568c161850c9a2665fe8bb.
defconfig: swtich back to slab

To experiment something
defconfig: switch TreeRCU -> jRCU
Signed-off-by: cocafe <cocafehj@gmail.com>