acpi: remerge uacpi as inhouse

Signed-off-by: kaguya <vpshinomiya@protonmail.com>

libs/uacpi/tests/test-cases/references-6.asl

@@ -0,0 +1,18 @@
+// Name: ArgX reference is not rebindable via CopyObject
+// Expect: int => 0xDEADBEEF
+
+DefinitionBlock ("", "DSDT", 2, "uTEST", "TESTTABL", 0xF0F0F0F0)
+{
+    Method (TEST, 1, NotSerialized)
+    {
+        CopyObject(0xDEADC0DE, Arg0)
+        CopyObject(0xDEADBEEF, Arg0)
+    }
+
+    Method (MAIN, 0, NotSerialized)
+    {
+        Local0 = "MyString"
+        TEST(RefOf(Local0))
+        Return (Local0)
+    }
+}