wave: Add support for MACH_WAVE

This is a squash of commits from Badadroid repository
It does consist of changes made ONLY to common files
wave: Stage1 init

Autocreating ext4 images:
cache.img and system.img gets located on mmcblk0p2 (bada_user)
data.img goes to mmcblk0p3 (bada_apps)

Moved cache and system to bada_system.
wave: Added Badadroid logo by Trzebiat