dev-manual/layers.rst: document "bitbake-layers show-machines"

The "show-machines" subcommand is not mentioned in the docs; add it.

(From yocto-docs rev: 98190334b2ad75421e8bf2cc84bd920311398670)

Signed-off-by: Robert P. J. Day <Crpjday@crashcourse.ca>
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
(cherry picked from commit b4320cdc4df08c59a24d5247b3895dd602554fa0)
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/documentation/dev-manual/layers.rst b/documentation/dev-manual/layers.rst
index 89c8466933..3b80b98afe 100644
--- a/documentation/dev-manual/layers.rst
+++ b/documentation/dev-manual/layers.rst
@@ -832,6 +832,8 @@ The following list describes the available commands:
    can replicate the directory structure and revisions of the layers in a current build.
    For more information, see ":ref:`dev-manual/layers:saving and restoring the layers setup`".
 
+-  ``show-machines``: Lists the machines available in the currently configured layers.
+
 Creating a General Layer Using the ``bitbake-layers`` Script
 ============================================================