Add PPC Cross Compiler

See here for more info: http://www.gc-linux.org/wiki/Building_a_GameCube_Linux_Kernel_%28ARCH%3Dpowerpc%29
Update to 3.4.74
Apply base mikep7-patch-3.4.y-gc-wii kernel patch

Adds GameCube/Wii support
Add optional vfb-defio-gc-wii patch

See here for more info: http://fartersoft.com/blog/2011/07/31/hacking-up-an-rgb-framebuffer-driver-for-wii-linux-take-two
Add git branch README.md
Add build bits for BFQ-v3r4
Introduce BFQ-v3r4 io sched
Update BFQ-v3r4 to v5
Update BFQ-v5 to v5r1
Update BFQ-v5r1 to v6
BFQ attempt to fix use_after_free which affects SLUB
AUFS for kernel 3.4
Optimize Slub Allocator
Emulate blkrrpart on device mapper
dmraid45 module
dmraid45 dm_dirty_log_create api fix
dmraid45 dm_get_device takes fewer arguments
dmraid45 api update
dmraid45 api update after removal of barriers
dmraid45 remove blk_unplug calls