Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20160330-1' into...

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20160330-1' into staging

target-arm queue:
 * virt: fix the virtual power button by adding a modelled
   "key press for 100ms" device
 * various improvements to m25p80 flash devices
 * implement new QMP query-gic-capability command to let the
   management layer know what versions of GIC we support

# gpg: Signature made Wed 30 Mar 2016 17:30:51 BST using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"

* remotes/pmaydell/tags/pull-target-arm-20160330-1:
  arm: implement query-gic-capabilities
  kvm: add kvm_device_supported() helper function
  arm: enhance kvm_arm_create_scratch_host_vcpu
  arm: qmp: add query-gic-capabilities interface
  block: m25p80: at25128a/at25256a models
  block: m25p80: n25q256a/n25q512a models
  block: m25p80: Implemented FSR register
  block: m25p80: Fast read and 4bytes commands
  block: m25p80: Dummy cycles for N25Q256/512
  block: m25p80: Add configuration registers
  block: m25p80: 4byte address mode
  block: m25p80: Extend address mode
  block: m25p80: Widen flags variable
  block: m25p80: RESET_ENABLE and RESET_MEMORY commands
  block: m25p80: Removed unused variable
  ARM: Virt: Use gpio_key for power button
  hw/gpio: Add the emulation of gpio_key

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