Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-4.1-pull-request...

Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-4.1-pull-request' into staging

Add /proc/hardware and /proc/cpuinfo,
update SIOCXXX ioctls,
fix shmat emulation,
add nanoseconds in stat,
init field fp_abi on mips

# gpg: Signature made Fri 24 May 2019 12:24:36 BST
# gpg:                using RSA key F30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/linux-user-for-4.1-pull-request:
  linux-user: Pass through nanosecond timestamp components for stat syscalls
  linux-user: Align mmap_find_vma to host page size
  linux-user: Fix shmat emulation by honoring host SHMLBA
  linux-user: Sanitize interp_info and, for mips only, init field fp_abi
  linux-user: Add support for SIOC<G|S>IFPFLAGS ioctls for all targets
  linux-user: Add support for SIOCSPGRP ioctl for all targets
  linux-user: Fix support for SIOCATMARK and SIOCGPGRP ioctls for xtensa
  linux-user: add pseudo /proc/hardware for m68k
  linux-user: add pseudo /proc/cpuinfo for sparc

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