dsl: Fix operator has no effect and DTGP

DTGP from SourceFourge repo built in the app, operator fix was found on a quick Google search, someone had a close issue adn worked "fine". The warnings will be fixed after I get it working 70/80% if I manage to do that.

Signed-off-by: Ícaro Hoff <icarohoff@gmail.com>

ascpi-tables/dsl/DSDT.dsl

@@ -10701,7 +10701,7 @@ P8XH (One, 0xAB)
             {
                 Store (\_SB.PCI0.LPCB.EC0.LIDF, Local0)
                 Not (Local0, Local0)
-                Add (Local0, 0x02)
+                Add (Local0, 0x02, Local0)
                 If (\_SB.PCI0.IGPU.GLID (Local0))
                 {
                     Or (0x80000000, \_SB.PCI0.IGPU.CLID, \_SB.PCI0.IGPU.CLID)
@@ -16809,7 +16809,7 @@ P8XH (One, 0xAB)
             {
                 Store (LIDF, Local0)
                 Not (Local0, Local0)
-                Add (Local0, 0x02)
+                Add (Local0, 0x02, Local0)
                 If (^^^IGPU.GLID (Local0))
                 {
                     Or (0x80000000, ^^^IGPU.CLID, ^^^IGPU.CLID)
@@ -18680,5 +18680,35 @@ P8XH (One, 0xAB)
     Method (WAK, 1, NotSerialized)
     {
     }
+    Method (DTGP, 5, NotSerialized)
+    {
+        If (LEqual (Arg0, Buffer (0x10)
+        {
+            /* 0000 */    0xC6, 0xB7, 0xB5, 0xA0, 0x18, 0x13, 0x1C, 0x44,
+            /* 0008 */    0xB0, 0xC9, 0xFE, 0x69, 0x5E, 0xAF, 0x94, 0x9B
+        }))
+        {
+            If (LEqual (Arg1, One))
+            {
+                If (LEqual (Arg2, Zero))
+                {
+                    Store (Buffer (One)
+                    {
+                        0x03
+                    }, Arg4)
+                    Return (One)
+                }
+                If (LEqual (Arg2, One))
+                {
+                    Return (One)
+                }
+            }
+        }
+        Store (Buffer (One)
+        {
+            0x00
+        }, Arg4)
+        Return (Zero)
+    }
 }