fwts: Enable batch mode tests

To increase the test coverage enable all the batch mode tests in the
fwts.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>
luv-test-manager: Display pass, fail and skip count

It's helpful to summarise these numbers once all the test suites have
been run, as it gives concrete values instead of the user being required
to count results as they scroll up the screen.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>
psplash: Enable support for framebuffer splash screen

By using psplash we can write helpful message and the framebuffer along
with a progress report.

psplash has been extended slightly by adding a new keyword "DONE" which
signals that progress no longer needs to be monitored and the progress
bar is deleted. Also, we're using the luv project colours.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>
core-image-efi-initramfs: Enable psplash

Add psplash to the list of packages we want to install and disable
CONFIG_VT_CONSOLE so that we get a much quieter boot.

The splash screen can be disabled at runtime by adding "psplash=false"
to the kernel parameters.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>