Merge remote-tracking branch 'rth/tcg-for-anthony' into staging

# By Richard Henderson
# Via Richard Henderson
* rth/tcg-for-anthony:
  tcg: Remove redundant tcg_target_init checks
  tcg: Use QEMU_BUILD_BUG_ON for CPU_TLB_ENTRY_BITS

Message-id: 1370437167-11278-1-git-send-email-rth@twiddle.net
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>