[PATCH] docs: firmware-guide/acpi/index.rst: Add intel-pmc-mux.rst

[Daniel W. S. Almeida]

From: "Daniel W. S. Almeida" <dwlsalmeida@xxxxxxxxx>

Fix the following warning:

Documentation/firmware-guide/acpi/intel-pmc-mux.rst:
WARNING: document isn't included in any toctree

By adding 'intel-pmc-mux.rst' to the index.

Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@xxxxxxxxx>
---
 Documentation/firmware-guide/acpi/index.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/firmware-guide/acpi/index.rst b/Documentation/firmware-guide/acpi/index.rst
index ad3b5afdae77e..f72b5f1769fb2 100644
--- a/Documentation/firmware-guide/acpi/index.rst
+++ b/Documentation/firmware-guide/acpi/index.rst
@@ -26,3 +26,4 @@ ACPI Support
    lpit
    video_extension
    extcon-intel-int3496
+   intel-pmc-mux
-- 
2.27.0