hw: move headers to include/

Many of these should be cleaned up with proper qdev-/QOM-ification.
Right now there are many catch-all headers in include/hw/ARCH depending
on cpu.h, and this makes it necessary to compile these files per-target.
However, fixing this does not belong in these patches.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/mips/mips_jazz.c b/hw/mips/mips_jazz.c
index daeb985..fd3a5f9 100644
--- a/hw/mips/mips_jazz.c
+++ b/hw/mips/mips_jazz.c
@@ -23,22 +23,22 @@
  */
 
 #include "hw/hw.h"
-#include "hw/mips.h"
-#include "hw/mips_cpudevs.h"
-#include "hw/pc.h"
-#include "hw/serial.h"
-#include "hw/isa.h"
-#include "hw/fdc.h"
+#include "hw/mips/mips.h"
+#include "hw/mips/cpudevs.h"
+#include "hw/i386/pc.h"
+#include "hw/char/serial.h"
+#include "hw/isa/isa.h"
+#include "hw/block/fdc.h"
 #include "sysemu/sysemu.h"
 #include "sysemu/arch_init.h"
 #include "hw/boards.h"
 #include "net/net.h"
-#include "hw/esp.h"
-#include "hw/mips-bios.h"
+#include "hw/scsi/esp.h"
+#include "hw/mips/bios.h"
 #include "hw/loader.h"
-#include "hw/mc146818rtc.h"
-#include "hw/i8254.h"
-#include "hw/pcspk.h"
+#include "hw/timer/mc146818rtc.h"
+#include "hw/timer/i8254.h"
+#include "hw/audio/pcspk.h"
 #include "sysemu/blockdev.h"
 #include "hw/sysbus.h"
 #include "exec/address-spaces.h"