[mips] Initial framework support for MIPS32

default_targets.gypi

Index: default_targets.gypi
diff --git a/default_targets.gypi b/default_targets.gypi
index 52ba28f6005dada0fb3aa086f9472c21ea18037f..5aa37dcf177b465afcb34f527b81dab4dba15851 100644
--- a/default_targets.gypi
+++ b/default_targets.gypi
@@ -88,6 +88,14 @@
         'inherit_from': [ 'dartino_base', 'dartino_release', 'dartino_xarm64' ],
       },
 
+      'ReleaseMIPS': {
+        'inherit_from': [ 'dartino_base', 'dartino_release', 'dartino_mips' ],
+      },
+
+      'ReleaseXMIPS': {
+        'inherit_from': [ 'dartino_base', 'dartino_release', 'dartino_xmips' ],
+      },
+
       'DebugIA32': {
         'inherit_from': [ 'dartino_base', 'dartino_debug', 'dartino_ia32', ],
       },
@@ -156,6 +164,14 @@
         'inherit_from': [ 'dartino_base', 'dartino_debug', 'dartino_xarm64' ],
       },
 
+      'DebugMIPS': {
+        'inherit_from': [ 'dartino_base', 'dartino_debug', 'dartino_mips' ],
+      },
+
+      'DebugXMIPS': {
+        'inherit_from': [ 'dartino_base', 'dartino_debug', 'dartino_xmips' ],
+      },
+
       # Test configuration - to ensure that we can compile this configuration
       'ReleaseIA32DisableDebugging': {
         'inherit_from': [