images: fix IMAGE_PREPROCESS_CMD

It was missing the trailing semicolon.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
development-xfce-image: XFCE based image with development tools inside

Like the GNOME one, but with XFCE

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
development-xfce-image: add bash

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
efl-nodm-image: include formfactor

xserver-nodm needs it, but fixing that is a bit more involved, so add
the dep here in the image.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
efl-nodm-image: add xterm

Enlightenment adds a menu entry for xterm regardless of its presence.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
xfce-nm-image: fix gdm install

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Angstrom: switch armv7a to thumb2 mode

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>