Add ChimeraSNES core

- Add ChimeraSNES core
- Add ChimeraSNES in SNES emulator selector

ChimeraSNES is a fast core based on snes9x2005 core, initially created for PS Vita.
It offers food performances for low powered devices and should be compatible with retroachievements and Netplay.

Emus/SFC/chimerasnes.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+echo $0 $*
+source /mnt/SDCARD/System/usr/trimui/scripts/FolderOverrideFinder.sh
+RA_DIR=/mnt/SDCARD/RetroArch
+EMU_DIR=/mnt/SDCARD/Emus/SFC
+
+$EMU_DIR/cpufreq.sh
+
+
+cd $RA_DIR/
+
+#disable netplay
+NET_PARAM=
+
+HOME=$RA_DIR/ $RA_DIR/ra64.trimui -v $NET_PARAM -L $RA_DIR/.retroarch/cores/chimerasnes_libretro.so "$@"

Emus/SFC/config.json

@@ -26,6 +26,10 @@
     {
       "name": "Beetle Supafaust",
       "launch": "supafaust.sh"
+    },
+    {
+      "name": "ChimeraSNES",
+      "launch": "chimerasnes.sh"
     }
   ]
 }