linux-yocto: use LZMA for Zaurus collie
linux-yocto: use LZMA for Zaurus collie

* this way we save more than 500KiB, important when you have just 14MiB !

Signed-off-by: Andrea Adami <58a22b0beb8ec13ae546a060c8b4c576f22f6153@gmail.com>

bluelightning/meta-handheld,bluelightning/meta-handheld