Merge branches 'for-30-rc4/i2c-bfin', 'for-30-rc4/i2c-omap',...

Merge branches 'for-30-rc4/i2c-bfin', 'for-30-rc4/i2c-omap', 'for-30-rc4/i2c-s3c' and 'for-30-rc4/i2c-tegra' into for-30-rc5/all-i2c