feat(device) detect brand Xiaomi model: Redmi 2 (WT88047)

issue matomo-org#5585

Tests/fixtures/smartphone-14.yml

@@ -6734,3 +6734,23 @@
     model: Redmi 2 Pro
   os_family: Android
   browser_family: Android Browser
+-
+  user_agent: Dalvik/2.1.0 (Linux; U; Android 5.1.1; wt88047 MIUI/LVY48I)
+  os:
+    name: Android
+    short_name: AND
+    version: 5.1.1
+    platform: ""
+  client:
+    type: browser
+    name: Android Browser
+    short_name: AN
+    version: ""
+    engine: WebKit
+    engine_version: ""
+  device:
+    type: smartphone
+    brand: XI
+    model: Redmi 2
+  os_family: Android
+  browser_family: Android Browser

regexes/device/mobiles.yml

@@ -12612,7 +12612,7 @@ X-View:
 
 # Xiaomi
 Xiaomi:
-  regex: 'Xiaomi(?!/(?:Miui|Mint[ ])Browser)|Mi9 Pro 5G|(?:MI [a-z0-9]+|Mi-4c|MI-One[ _]?[a-z0-9]+|MIX(?: 2S?)?)[);/ ]|HM (?:[^/;]+) (?:Build|MIUI)|(?:2014501|2014011|201481[12378]|201302[23]|2013061) Build|Redmi|MI_NOTE_Pro|POCOPHONE|(?:SHARK )?(KLE|MBU)-A0|SKR-[AH]0|SKW-[AH]0|POCO F1|DLT-[AH]0|MIBOX[34]([_ ]PRO)?|MiTV4[CSX]?|MiTV-(MSSP1|AXSO0)|AWM-A0|MI CC 9 Meitu Edition|MiBOX1S|M2002J9E|HM2014819'
+  regex: 'Xiaomi(?!/(?:Miui|Mint[ ])Browser)|Mi9 Pro 5G|(?:MI [a-z0-9]+|Mi-4c|MI-One[ _]?[a-z0-9]+|MIX(?: 2S?)?)[);/ ]|HM (?:[^/;]+) (?:Build|MIUI)|(?:2014501|2014011|201481[12378]|201302[23]|2013061) Build|Redmi|MI_NOTE_Pro|POCOPHONE|(?:SHARK )?(KLE|MBU)-A0|SKR-[AH]0|SKW-[AH]0|POCO F1|DLT-[AH]0|MIBOX[34]([_ ]PRO)?|MiTV4[CSX]?|MiTV-(MSSP1|AXSO0)|AWM-A0|MI CC 9 Meitu Edition|MiBOX1S|M2002J9E|HM2014819|WT88047'
   device: 'smartphone'
   models:
     # specific smartphone models
@@ -12676,6 +12676,8 @@ Xiaomi:
       model: 'Pocophone F1'
     - regex: 'Redmi 5 Plus'
       model: 'Redmi 5 Plus'
+    - regex: 'WT88047[);/ ]'
+      model: 'Redmi 2'
     - regex: 'HM2014819[);/ ]'
       model: 'Redmi 2 Pro'
     - regex: 'HM 2A[);/ ]'