Merge remote-tracking branch 'remotes/mcayland/tags/qemu-sparc-signed' into staging

qemu-sparc update

# gpg: Signature made Wed 21 Jan 2015 16:56:31 GMT using RSA key ID AE0F321F
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>"

* remotes/mcayland/tags/qemu-sparc-signed:
  disas/sparc: Remove unused data sparc_opcode_archs[]
  target-sparc: Mark gen_load_trap_state_at_tl() as !CONFIG_USER_ONLY
  target-sparc: is_translating_asi() is TARGET_SPARC64 only
  target-sparc: address_mask(), asi_address_mask() are TARGET_SPARC64 only
  target-sparc: Remove unused gen_op_subi_cc and gen_op_addi_cc

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