acpi: drop serial/parallel enable bits from dsdt

acpi: drop serial/parallel enable bits from dsdt

The _STA methods for COM+LPT used to reference them,
but that isn't the case any more.

piix4 DSDT changes:

     Scope (_SB.PCI0)
     {
         Device (ISA)
         {
             Name (_ADR, 0x00010000)  // _ADR: Address
             OperationRegion (P40C, PCI_Config, 0x60, 0x04)
-            Field (^PX13.P13C, AnyAcc, NoLock, Preserve)
-            {
-                Offset (0x5F),
-                    ,   7,
-                LPEN,   1,
-                Offset (0x67),
-                    ,   3,
-                CAEN,   1,
-                    ,   3,
-                CBEN,   1
-            }
         }
     }

ich9 DSDT changes:

     Scope (_SB.PCI0)
     {
         Device (ISA)
         {
             Name (_ADR, 0x001F0000)  // _ADR: Address
             OperationRegion (PIRQ, PCI_Config, 0x60, 0x0C)
             OperationRegion (LPCD, PCI_Config, 0x80, 0x02)
             Field (LPCD, AnyAcc, NoLock, Preserve)
             {
                 COMA,   3,
                     ,   1,
                 COMB,   3,
                 Offset (0x01),
                 LPTD,   2
             }
-
-            OperationRegion (LPCE, PCI_Config, 0x82, 0x02)
-            Field (LPCE, AnyAcc, NoLock, Preserve)
-            {
-                CAEN,   1,
-                CBEN,   1,
-                LPEN,   1
-            }
         }
     }

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200619091905.21676-10-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>