Merge remote-tracking branch 'remotes/pmaydell/tags/pull-misc-20150120' into staging

Miscellaneous cross-tree patches:
 * load/store helper cleanup
 * drop TARGET_HAS_ICE define and checks
 * scripts/qapi-types.py: Add dummy member to empty structs
 * cpu_ldst.h: Don't define helpers if MMU_MODE*_SUFFIX not defined

# gpg: Signature made Tue 20 Jan 2015 15:43:38 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"

* remotes/pmaydell/tags/pull-misc-20150120:
  cpu_ldst.h: Don't define helpers if MMU_MODE*_SUFFIX not defined
  cpu_ldst.h, cpu-all.h, bswap.h: Update documentation on ld/st accessors
  cpu_ldst_template.h: Drop unused cpu_ldfq/stfq/ldfl/stfl accessors
  cpu_ldst.h: Drop unused _raw macros, saddr() and laddr()
  cpu_ldst_template.h: Use ld*_p directly rather than via ld*_raw macros
  cpu_ldst.h: Use inline functions for usermode cpu_ld/st accessors
  cpu_ldst.h: Remove unused very short ld*/st* defines
  cpu_ldst.h: Drop unused ld/st*_kernel defines
  target-mips: Don't use _raw load/store accessors
  linux-user/main.c (m68k): Use get_user_u16 rather than lduw in cpu_loop
  linux-user/vm86.c: Use cpu_ldl_data &c rather than plain ldl &c
  bsd-user/elfload.c: Don't use ldl() or ldq_raw()
  linux-user/elfload.c: Don't use _raw accessor functions
  target-sparc: Don't use {ld, st}*_raw functions
  monitor.c: Use ld*_p() instead of ld*_raw()
  cpu_ldst.h: Remove unused ldul_ macros
  exec.c: Drop TARGET_HAS_ICE define and checks
  scripts/qapi-types.py: Add dummy member to empty structs

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