Fix/suppress some warnings

(cherry picked from commit d8a43c216925b3a9e1475b786978436835a57927)

kotlin-native/Interop/Runtime/src/native/kotlin/kotlinx/cinterop/NativeTypes.kt

@@ -58,6 +58,7 @@ external fun CPointer<*>.getRawValue(): NativePtr
 
 internal fun CPointer<*>.cPointerToString() = "CPointer(raw=$rawValue)"
 
+@Suppress("FINAL_UPPER_BOUND")
 public class Vector128VarOf<T : Vector128>(rawPtr: NativePtr) : CVariable(rawPtr) {
     @Deprecated("Use sizeOf<T>() or alignOf<T>() instead.")
     @Suppress("DEPRECATION")
@@ -66,6 +67,7 @@ public class Vector128VarOf<T : Vector128>(rawPtr: NativePtr) : CVariable(rawPtr
 
 public typealias Vector128Var = Vector128VarOf<Vector128>
 
+@Suppress("FINAL_UPPER_BOUND", "UNCHECKED_CAST")
 public var <T : Vector128> Vector128VarOf<T>.value: T
     get() = nativeMemUtils.getVector(this) as T
     set(value) = nativeMemUtils.putVector(this, value)