Update extract ramdisk setup

Change-Id: I784ec0db4cdbccb40b6120e5c7d7df5500daa6bd
odin: use default branch for all

Change-Id: I2ba96f5c5dc9a5c586b6e0205ae195aad0c1c579
Merge branch 'cm-10.1' of https://github.com/CyanogenMod/android_device_sony_odin into jb-mr1