Merge remote-tracking branch 'remotes/bkoppelmann/tags/pull-tricore-2018-03-02' into staging

tricore patches

# gpg: Signature made Fri 02 Mar 2018 10:59:26 GMT
# gpg:                using RSA key 0AD2C6396B69CA14
# gpg: Good signature from "Bastian Koppelmann <kbastian@mail.uni-paderborn.de>"
# Primary key fingerprint: 6E63 6A7E 83F2 DD0C FA6E  6E37 0AD2 C639 6B69 CA14

* remotes/bkoppelmann/tags/pull-tricore-2018-03-02:
  tricore: renamed masking of PIE
  tricore: renamed masking of IE
  tricore: added CORE_ID
  tricore: added some missing cpu instructions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>