vexpress: Build RTSM semi-hosting boot-wrapper

With this bootwrapper and the device-trees we already build
we now have all the components in place to boot a vexpress
build on ARM's Fast Models.

Change-Id: I5892e464987955c1d8f6838b40b7d7d93fcc6381
Signed-off-by: Jon Medhurst <tixy@linaro.org>
1 file changed