Add Sapphire Rapids to SDE tests

This is needed to cover the 512-bit code path in the new AES-GCM code.

Change-Id: I1a0eeb7cd6f330d82577159a1e0055f2ff6ec4ce
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/70247
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/util/all_tests.go b/util/all_tests.go
index d80cd60..3b31ded 100644
--- a/util/all_tests.go
+++ b/util/all_tests.go
@@ -96,6 +96,7 @@
 	"cpx", // Cooper Lake
 	"icx", // Ice Lake server
 	"tgl", // Tiger Lake
+	"spr", // Sapphire Rapids
 }
 
 var armCPUs = []string{