acpi: AcpiGenericAddress no longer used to map/access fields of MMIO, drop packed attribute

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-36-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

include/hw/acpi/acpi-defs.h

@@ -55,7 +55,7 @@ struct AcpiGenericAddress {
     uint8_t access_width;    /* ACPI 3.0: Minimum Access size (ACPI 3.0),
                                 ACPI 2.0: Reserved, Table 5-1 */
     uint64_t address;        /* 64-bit address of struct or register */
-} QEMU_PACKED;
+};
 
 typedef struct AcpiFadtData {
     struct AcpiGenericAddress pm1a_cnt;   /* PM1a_CNT_BLK */