resources: Add gabps image to resoruces.json

Change-Id: I868b5bf407cf1474ca9c707e61990f669187bdec
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-resources/+/51270
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby R. Bruce <bbruce@ucdavis.edu>
diff --git a/resources.json b/resources.json
index bc23c01..b4d54c5 100644
--- a/resources.json
+++ b/resources.json
@@ -36,6 +36,16 @@
         },
         {
             "type" : "resource",
+            "name" : "x86-gapbs",
+            "documentation" : "A disk image containing the GAPBS benchmark suite, compiled to X86, built on top of Ubuntu 18.04.",
+            "architecture" : "X86",
+            "is_zipped" : true,
+            "md5sum" : "84dade91797d17e880845ad606348d49",
+            "url" : "{url_base}/images/x86/ubuntu-18-04/gapbs.img.gz",
+            "source" : "src/gabps"
+        },
+        {
+            "type" : "resource",
             "name" : "x86-boot-exit",
             "documentation" : "A disk image containing Ubuntu 18.04 for X86 which will run a `m5 exit` instruction after booting. [This is deprecated. Please use 'x86-ubuntu-18.04-img'].",
             "architecture" : "X86",