Default to using 2Gb on all architectures
Default to using 2Gb on all architectures

The original 1Gb should be enough but RAM is cheap and sometimes things
like the initrd unexpectently bloat so 2Gb gives us room to move.

Signed-off-by: Peter Robinson <0cd2d1e82f6226d6d80917107cdcc165e1fecc43@gmail.com>

clalancette/oz,clalancette/oz,nullr0ute/oz,nullr0ute/oz