Move more headers.

cbuffer.h, charpipe.h -> include/android/
cbuffer.c, charpipe.c -> android/
qemu_debug.h -> include/android/qemu-debug.h
block.h, block_int.h -> include/block/
elf.h -> include/
hax.h -> include/exec/
qemu-lock.h -> include/exec/spinlock.h
readline.h -> include/monitor/readline.h
qemu-common.h - include
qemu-barrier.h -> include/qemu/atomic.h
qemu-log.h -> include/qemu/log.h

Change-Id: I86b998932461caa35d347cd71b40bd6e4ec7d84d
diff --git a/cpu-exec.c b/cpu-exec.c
index d4b0783..79172a2 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -21,8 +21,8 @@
 #include "disas/disas.h"
 #include "tcg.h"
 #include "sysemu/kvm.h"
-#include "hax.h"
-#include "qemu-barrier.h"
+#include "exec/hax.h"
+#include "qemu/atomic.h"
 
 #if !defined(CONFIG_SOFTMMU)
 #undef EAX