[PATCH] docs: nios2: add missing ReST file

[Mauro Carvalho Chehab]

changeset ed13a92d0fde ("docs: archis: add a per-architecture features list")
besides having a typo on its title, it was missing the feature file.

Add it.

Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Fixes: ed13a92d0fde ("docs: archis: add a per-architecture features list")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---

Jon/Stephen,

I ended forgetting to add this one to the patch I sent. Sorry for that!

If not too late, feel free to fold this patch with the past one.

 Documentation/nios2/features.rst | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 Documentation/nios2/features.rst

diff --git a/Documentation/nios2/features.rst b/Documentation/nios2/features.rst
new file mode 100644
index 000000000000..8449e63f69b2
--- /dev/null
+++ b/Documentation/nios2/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features nios2
-- 
2.28.0