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

Change-Id: I400f91786d219c9e6df00da378368cd0381b6b72
t30-common: our sdcards are hot-pluggable

Change-Id: Id96c1b5524e4d5397e5783922850285a6d80647b
TWRP support

Change-Id: Ib7c8837ad48ec394973a7d95d3adbc276ae52910
allow more fs

Change-Id: Iac5cec5cb565c146c985ff4b820ddc5586229bc0