add I/O schedulers form motley-git Nexus 7 kernel source
add pegasusq governor from motley-git Nexus 7 kernel source
update defconfig
IO and GOV
add Tegra T30 emulate Tegra T33 (higher CPU, GPU clock rates)

Signed-off-by: drgravy <drg113001@gmail.com>
OC config

Signed-off-by: drgravy <drg113001@gmail.com>