Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* fixes for Alpine and SuSE
* fix crash when hot-plugging nvdimm on older machine types

# gpg: Signature made Tue 09 Apr 2019 17:34:27 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream:
  tests: Make check-block a phony target
  hw/i386/pc: Fix crash when hot-plugging nvdimm on older machine types
  include/qemu/bswap.h: Use __builtin_memcpy() in accessor functions
  roms: Allow passing configure options to the EDK2 build tools
  roms: Rename the EFIROM variable to avoid clashing with iPXE

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