t30-common: our sdcards are hot-pluggable

Change-Id: Id96c1b5524e4d5397e5783922850285a6d80647b
support for A510/A511 :-P

Change-Id: I22b187ff9c499abf570b70fff20d9a7ec0c46d8d
[2/2]recovery: use lzma for ramdisk compression (a510 & a700)

Change-Id: I400f91786d219c9e6df00da378368cd0381b6b72