vexpress: Increase dalvick heap size

Increasing the initial size and free space of the dalvick heap
reduces the amount of garbage collection in Java programs and
has a significant effect on improving the AndEBench Java
benchmark.

Change-Id: I9cf1779c4be367bfa0f8a2d3018111555788c8a7
Signed-off-by: Jon Medhurst <tixy@linaro.org>
1 file changed