config: Add es-MX to language code mapping

Change-Id: Ic55059fbd70ce6c7982d1877413bab10bb51d814
diff --git a/crowdin/crowdin_cm-12.1.yaml b/crowdin/crowdin_cm-12.1.yaml
index 931a955..c4cd9c4 100644
--- a/crowdin/crowdin_cm-12.1.yaml
+++ b/crowdin/crowdin_cm-12.1.yaml
@@ -51,6 +51,7 @@
         en-PT: en-rPT
         eo: eo
         es-ES: es
+        es-MX: es-rMX
         es-US: es-rUS
         et: et-rEE
         eu: eu-rES
diff --git a/crowdin/crowdin_cm-12.1_aosp.yaml b/crowdin/crowdin_cm-12.1_aosp.yaml
index 903e5dc..31f2a88 100644
--- a/crowdin/crowdin_cm-12.1_aosp.yaml
+++ b/crowdin/crowdin_cm-12.1_aosp.yaml
@@ -36,6 +36,7 @@
         be: be
         cy: cy
         en-PT: en-rPT
+        es-MX: es-rMX
         eo: eo
         fy-NL: fy-rNL
         ku: ku
diff --git a/crowdin/crowdin_cm-13.0.yaml b/crowdin/crowdin_cm-13.0.yaml
index b5654e3..4319a85 100644
--- a/crowdin/crowdin_cm-13.0.yaml
+++ b/crowdin/crowdin_cm-13.0.yaml
@@ -51,6 +51,7 @@
         en-PT: en-rPT
         eo: eo
         es-ES: es
+        es-MX: es-rMX
         es-US: es-rUS
         et: et-rEE
         eu: eu-rES
diff --git a/crowdin/crowdin_cm-13.0_aosp.yaml b/crowdin/crowdin_cm-13.0_aosp.yaml
index 0a9dafa..317d06f 100644
--- a/crowdin/crowdin_cm-13.0_aosp.yaml
+++ b/crowdin/crowdin_cm-13.0_aosp.yaml
@@ -36,6 +36,7 @@
         be: be
         cy: cy
         en-PT: en-rPT
+        es-MX: es-rMX
         eo: eo
         fy-NL: fy-rNL
         ku: ku