add Galaxy Tab 2 family

Devices: P3100, P3110 (inlc. P3113), P5100, P5110 (inlc. P5113)
Merged from "cm-11.0" branch from
"https://github.com/codyf86/proprietary_vendor_samsung"
Merge pull request #41 from andi34/android-4.4

add Galaxy Tab 2 family