Allow mips to build.

Test: Build mips.
Change-Id: Ice2fe1d11b7c628b325ea2ad1fd1252ad8e10668
diff --git a/libunwindstack/Android.bp b/libunwindstack/Android.bp
index 04c4cfa..78ae409 100644
--- a/libunwindstack/Android.bp
+++ b/libunwindstack/Android.bp
@@ -30,15 +30,6 @@
             enabled: false,
         },
     },
-
-    arch: {
-        mips: {
-            enabled: false,
-        },
-        mips64: {
-            enabled: false,
-        },
-    },
 }
 
 cc_library {
diff --git a/libunwindstack/include/unwindstack/RegsGetLocal.h b/libunwindstack/include/unwindstack/RegsGetLocal.h
index ffec213..d1461d8 100644
--- a/libunwindstack/include/unwindstack/RegsGetLocal.h
+++ b/libunwindstack/include/unwindstack/RegsGetLocal.h
@@ -97,6 +97,11 @@
   regs->SetFromRaw();
 }
 
+#elif defined(__mips__)
+
+// Stub to allow mips to build.
+void RegsGetLocal(Regs*) {}
+
 #endif
 
 }  // namespace unwindstack