tune-mips32r2: commit of initial version (hard-fpu only)

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
gcw0: initial commit of machine config

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
linux-gcw0: initial commit of custom 3.12 kernel

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>