OpenMAX IL: do not use Bellagio software implementation

This wraps libavcodec in a way that is worse that VLC, e.g. without
hardware acceleration.

(cherry picked from commit 298edea2b51a3dc7b39ae33a3c4bbf476f4e3290)

modules/codec/omxil/omxil_core.c

@@ -57,11 +57,12 @@ static const char *ppsz_dll_list[] =
     "libiomx.so", /* Not used when using IOMX, the lib should already be loaded */
 #elif defined(RPI_OMX)
     "/opt/vc/lib/libopenmaxil.so",  /* Broadcom IL core */
-#else
+#elif 1
     "libOMX_Core.so", /* TI OMAP IL core */
     "libOmxCore.so", /* Qualcomm IL core */
-    "libomxil-bellagio.so",  /* Bellagio IL core */
     "libnvomx.so", /* Tegra3 IL core */
+#else
+    "libomxil-bellagio.so",  /* Bellagio IL core reference implementation */
 #endif
     0
 };