x86/cpu: Add "Old Microcode" docs to hw-vuln toctree

Sphinx reports missing toctree entry warning:

Documentation/admin-guide/hw-vuln/old_microcode.rst: WARNING: document isn't included in any toctree

Add entry for "Old Microcode" docs to fix the warning.

Fixes: 4e2c719782a847 ("x86/cpu: Help users notice when running old Intel microcode")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20250502023358.14846-1-bagasdotme%40gmail.com

diff --git a/Documentation/admin-guide/hw-vuln/index.rst b/Documentation/admin-guide/hw-vuln/index.rst
index 451874b8135d8ef048c7c8c38898f71ed81f05e3..cf1511145927901d1a0f57ea714119f21d82d382 100644 (file)
--- a/Documentation/admin-guide/hw-vuln/index.rst
+++ b/Documentation/admin-guide/hw-vuln/index.rst
@@ -23,3 +23,4 @@ are configurable at compile, boot or run time.
    gather_data_sampling
    reg-file-data-sampling
    rsb
+   old_microcode