[PATCH] docs/powerpc: add htm.rst to toctree to fix warning

[Kriish Sharma]

The htm.rst file was not included in any toctree, leading to a Sphinx
warning when building documentation.

Include it in Documentation/arch/powerpc/index.rst to fix the warning.

Signed-off-by: Kriish Sharma <kriish.sharma2...@gmail.com>
---
 Documentation/arch/powerpc/index.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/arch/powerpc/index.rst 
b/Documentation/arch/powerpc/index.rst
index 0560cbae5fa1..ae0280383315 100644
--- a/Documentation/arch/powerpc/index.rst
+++ b/Documentation/arch/powerpc/index.rst
@@ -36,7 +36,7 @@ powerpc
     vas-api
     vcpudispatch_stats
     vmemmap_dedup
-
+    htm
     features
 
 .. only::  subproject and html
-- 
2.34.1