gdb/testsuite: Fix doc comment in allow_aarch64_sme_tests

The comment says that it returns 0 if the target supports SME and 1 if
it doesn't, but it actually does the opposite.  The code does the right
thing, so fix the comment.

diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index 5d005f21be06a319667a111394852d7cd115618a..b502e0c7de3c7211378741da477bc68e1eebabf6 100644 (file)
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -5049,7 +5049,7 @@ proc aarch64_supports_sve_vl { length } {
 }
 
 # Run a test on the target to see if it supports Aarch64 SME extensions.
-# Return 0 if so, 1 if it does not.  Note this causes a restart of GDB.
+# Return 1 if so, 0 if it does not.  Note this causes a restart of GDB.
 
 gdb_caching_proc allow_aarch64_sme_tests {} {
     global srcdir subdir gdb_prompt inferior_exited_re