Add missing RetroAchievements configs

projects/ROCKNIX/packages/ui/emulationstation/config/common/es_features.cfg

@@ -331,7 +331,7 @@
   </emulator>
   <emulator name="ppsspp">
    <cores>
-    <core name="ppsspp-sa">
+    <core name="ppsspp-sa" features="cheevos">
      <features>
       <feature name="frame skipping">
         <choice name="off" value="0"/>
@@ -368,7 +368,7 @@
   </emulator>
   <emulator name="flycast">
    <cores>
-    <core name="flycast-sa">
+    <core name="flycast-sa" features="cheevos">
      <features>
       <feature name="auto frame skipping">
         <choice name="off" value="off"/>
@@ -406,7 +406,7 @@
   </emulator>
   <emulator name="duckstation">
    <cores>
-    <core name="duckstation-sa">
+    <core name="duckstation-sa" features="cheevos">
      <features>
       <feature name="aspect ratio">
         <choice name="4/3" value="0"/>
@@ -439,7 +439,7 @@
   </emulator>
   <emulator name="dolphin">
    <cores>
-    <core name="dolphin-qt-gc">
+    <core name="dolphin-qt-gc" features="cheevos">
      <features>
       <feature name="anti aliasing">
         <choice name="off" value="0"/>
@@ -675,7 +675,7 @@
       </feature>
      </features>
     </core>
-    <core name="dolphin-qt-wii">
+    <core name="dolphin-qt-wii" features="cheevos">
      <features>
       <feature name="anti aliasing">
         <choice name="off" value="0"/>
@@ -1154,7 +1154,7 @@
   </emulator>
   <emulator name="aethersx2">
    <cores>
-    <core name="aethersx2-sa">
+    <core name="aethersx2-sa" features="cheevos">
      <features>
       <feature name="aspect ratio">
         <choice name="4/3" value="0"/>
@@ -1403,6 +1403,11 @@
    </cores>
   </emulator>
   <emulator name="pico-8" features="pixel_perfect" />
+  <emulator name="skyemu">
+    <cores>
+      <core name="skyemu-sa" features="cheevos"/>
+    </cores>
+  </emulator>
   <emulator name="retroarch" features="decoration, ratio, smooth, shaders, pixel_perfect, latency_reduction, game_translation">
     <cores>
       <core name="2048" features="netplay, rewind, autosave" />