Add Reiser4 filesystem for 2.6.32.y kernels
MMC increase write timeout for low end cards

This fixes a SDHC bug in MINI mode on Wii consoles
MMC spi fix SDHC
Add ccache to Makefile
Add GC/Wii specific optimizations and fix ccache
Try to ignore all non critical warnings
Add/update GameCube/Wii defconfigs