Do not include hw/hw.h if it is not necessary

hw.h only contains the protoype of one function nowadays, hw_error(),
so all files that do not use this function anymore also do not need
to include this header anymore.

Message-Id: <20230216142915.304481-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

hw/pci-host/mv64361.c

@@ -11,7 +11,6 @@
 #include "qemu/osdep.h"
 #include "qemu/units.h"
 #include "qapi/error.h"
-#include "hw/hw.h"
 #include "hw/sysbus.h"
 #include "hw/pci/pci_device.h"
 #include "hw/pci/pci_host.h"

hw/ppc/pegasos2.c

@@ -10,7 +10,6 @@
 #include "qemu/osdep.h"
 #include "qemu/units.h"
 #include "qapi/error.h"
-#include "hw/hw.h"
 #include "hw/ppc/ppc.h"
 #include "hw/sysbus.h"
 #include "hw/pci/pci_host.h"

hw/sensor/dps310.c

@@ -9,7 +9,6 @@
 
 #include "qemu/osdep.h"
 #include "qemu/log.h"
-#include "hw/hw.h"
 #include "hw/i2c/i2c.h"
 #include "qapi/error.h"
 #include "qapi/visitor.h"

include/hw/ssi/ibex_spi_host.h

@@ -28,7 +28,6 @@
 #define IBEX_SPI_HOST_H
 
 #include "hw/sysbus.h"
-#include "hw/hw.h"
 #include "hw/ssi/ssi.h"
 #include "qemu/fifo8.h"
 #include "qom/object.h"

include/hw/tricore/tricore_testdevice.h

@@ -19,7 +19,6 @@
 #define HW_TRICORE_TESTDEVICE_H
 
 #include "hw/sysbus.h"
-#include "hw/hw.h"
 
 #define TYPE_TRICORE_TESTDEVICE "tricore_testdevice"
 #define TRICORE_TESTDEVICE(obj) \