Merge commit '502e64fe23f19c086d42f6178cdda19e58996080' into upstream-merge

Merge commit '502e64fe23f19c086d42f6178cdda19e58996080' into upstream-merge

* commit '502e64fe23f19c086d42f6178cdda19e58996080': (23 commits)
  target-arm: fix strexd
  linux-user: fix build with gcc-4.1
  linuxboot.bin is a generated file
  qemu-nbd: fix OpenBSD linker warning
  e1000: add link to data sheet
  qemu-io: suppress a warning with gcc 4.0.2
  Compile qemu-nbd also on OpenBSD and Solaris
  USB: Improve usbdevice error messages
  target-alpha: Initialize fpcr
  tcg-sparc: Implement brcond2.
  tcg-sparc: Use TCG_TARGET_REG_BITS in conditional compilation.
  tcg-sparc: Improve tcg_out_movi for sparc64.
  tcg-sparc: Fix imm13 check in movi.
  ARM PBX-A9 memory map tweaks
  LAN9118 improvements
  PPC: Make DCR uint32_t
  PPC64: Fix alternate timebase
  PPC64: Fix timebase
  target-alpha: Emit tcg debug_insn_start.
  linux-user: Add aliases for some Alpha syscalls
  ...

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>