Add several floppy drive ioctl,
xtensa call0 ABI support, arm MAX_RESERVED_VA for M-profile,
aarch64 AT_HWCAP2, qOffsets' query for ELF, memfd_create,
and some code cleanup
# gpg: Signature made Wed 11 Sep 2019 07:48:45 BST
# gpg: using RSA key
CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# 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-4.2-pull-request:
linux-user: Add support for FDRESET, FDRAWCMD, FDTWADDLE, and FDEJECT ioctls
linux-user: Add support for FDMSGON and FDMSGOFF ioctls
linux-user: Add support for FDFLUSH ioctl
linux-user: Add support for FIOGETOWN and FIOSETOWN ioctls
linux-user: Add support for RNDRESEEDCRNG ioctl
linux-user: drop redundant handling of environment variables
target/xtensa: linux-user: add call0 ABI support
linux-user: Support gdb 'qOffsets' query for ELF
linux-user/arm: Adjust MAX_RESERVED_VA for M-profile
linux-user: Pass CPUState to MAX_RESERVED_VA
linux-user: add memfd_create
linux-user: fail and report on bad dfilter specs
linux-user: erroneous fd_trans_unregister call
linux-user: Add AT_HWCAP2 for aarch64-linux-user
linux-user: remove useless variable
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>