target-tricore: Add initialization for translation and activate target

Add tcg and cpu model initialization.
Add gen_intermediate_code function.
Activate target in configure and add softmmu config.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-id: 1409572800-4116-5-git-send-email-kbastian@mail.uni-paderborn.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>