[libomptarget][NFC] Sort list of plugins in chronological order

Differential Revision: https://reviews.llvm.org/D86082

Author: George Rokos

openmp/libomptarget/src/rtl.cpp

@@ -23,12 +23,12 @@
 
 // List of all plugins that can support offloading.
 static const char *RTLNames[] = {
+    /* PowerPC target       */ "libomptarget.rtl.ppc64.so",
+    /* x86_64 target        */ "libomptarget.rtl.x86_64.so",
+    /* CUDA target          */ "libomptarget.rtl.cuda.so",
+    /* AArch64 target       */ "libomptarget.rtl.aarch64.so",
     /* SX-Aurora VE target  */ "libomptarget.rtl.ve.so",
-    /* PowerPC target */ "libomptarget.rtl.ppc64.so",
-    /* x86_64 target  */ "libomptarget.rtl.x86_64.so",
-    /* CUDA target    */ "libomptarget.rtl.cuda.so",
-    /* AArch64 target */ "libomptarget.rtl.aarch64.so",
-    /* AMDGPU target  */ "libomptarget.rtl.amdgpu.so",
+    /* AMDGPU target        */ "libomptarget.rtl.amdgpu.so",
 };
 
 RTLsTy *RTLs;