vmstate: move VMSTATE_PCIE_AER_ERRS to hw/hw.h VMSTATE_PCIE_AER_ERRS is indeed useful for other emulation drivers. Move it to hw/hw.h under the name of VMSTATE_STRUCT_VARRAY_POINTER_UINT16. Also add VMSTATE_STRUCT_VARRAY_POINTER_INT32 which is more or less the same as _UINT16 macro, except the fact it uses int32_t internally. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>