acpi: remerge uacpi as inhouse

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

libs/uacpi/tests/test-cases/while-dec-inc.asl

@@ -0,0 +1,20 @@
+// Name: Increment/Decrement With While
+// Expect: int => 10
+
+DefinitionBlock ("", "DSDT", 2, "uTEST", "TESTTABL", 0xF0F0F0F0)
+{
+    Method (MAIN, 0, NotSerialized)
+    {
+        Local0 = 1
+        Local1 = 10
+
+        While (Local1--) {
+            Debug = "Iteration"
+            Debug = Local0
+
+            Local0++
+        }
+
+        Return(Local0)
+    }
+}