Move loader stub libraries out of //build/config/linux

gpu/config/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/ui.gni")
 
 declare_args() {
   # Use the PCI lib to collect GPU information on Linux.
   use_libpci = true
@@ skipping 76 matching lines @@
       sources += [
         "//third_party/amd/AmdCfxPxExt.h",
         "//third_party/amd/amd_videocard_info_win.cc",
       ]
     }
   }
   if (use_libpci) {
     defines = [ "USE_LIBPCI=1" ]
   }
   if (is_linux && use_libpci && (use_x11 || use_ozone)) {
-    deps += [ "//build/config/linux:libpci" ]
+    deps += [ "//build/linux:libpci" ]
   }
   if (is_linux && use_x11) {
     configs += [
       "//build/config/linux:x11",
       "//build/config/linux:xext",
     ]
     deps += [
       "//third_party/libXNVCtrl",
       "//ui/gfx/x",
     ]
   } else {
     sources -= [ "gpu_info_collector_x11.cc" ]
   }
   if (!use_ozone) {
     sources -= [ "gpu_info_collector_ozone.cc" ]
   }
 }