Merge remote-tracking branch 'remotes/mwalle/tags/lm32-queue/20180521' into staging

target/lm32: BQL patch

# gpg: Signature made Tue 22 May 2018 19:25:30 BST
# gpg:                using RSA key B458ABB0D8D378E3
# gpg: Good signature from "Michael Walle <michael@walle.cc>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 2190 3E48 4537 A7C2 90CE  3EB2 B458 ABB0 D8D3 78E3

* remotes/mwalle/tags/lm32-queue/20180521:
  lm32: take BQL before writing IP/IM register

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