Added BFQ-iosched

Change-Id: I190408b73201ffa09681e6e2f9e26b118616b0bb

block: introduce the BFQ-v7r5 I/O sched for 3.0

Change-Id: If1d449a1b6118f58afb5cc8697c81fe5104b061e

block: Switch from BFQ-v7r5 for 3.0.0 to BFQ-v7r6 for 3.0.0

Change-Id: I8192fff70817fc09f3077404171b0a888bea4e7c

Added BFQ-iosched version BFQ-v7r5

 Changes to be committed:
	modified:   block/Kconfig.iosched
	modified:   block/Makefile
	new file:   block/bfq-cgroup.c
	new file:   block/bfq-ioc.c
	new file:   block/bfq-iosched.c
	new file:   block/bfq-sched.c
	new file:   block/bfq.h
	modified:   include/linux/iocontext.h
cpufreq: Add pegasusqplus

Change-Id: I963a98a99f70eae950ef81df6dde05dab4b041d9