[nanbield][PATCH 4/7] ref-manual: variables: adding multiple groups in GROUPADD_PARAM

[michael.opdenacker@bootlin.com]

From: Michael Opdenacker <michael.opdenacker@bootlin.com>

From: Geoff Parker <geoffrey.parker@arthrex.com>

Add missing documentation on how to add multiple groups with a single
GROUPADD_PARAM:${PN}

Signed-off-by: Geoff Parker <geoffrey.parker@arthrex.com>
Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
---
 documentation/ref-manual/variables.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 448bea9938..ec879f9f86 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -3234,6 +3234,14 @@ system and gives an overview of their function and contents.
 
          GROUPADD_PARAM:${PN} = "-r netdev"
 
+      More than one group can be added by separating each set of different
+      groups' parameters with a semicolon.
+
+      Here is an example adding multiple groups from the ``useradd-example.bb``
+      file in the ``meta-skeleton`` layer::
+
+         GROUPADD_PARAM:${PN} = "-g 880 group1; -g 890 group2"
+
       For information on the standard Linux shell command
       ``groupadd``, see https://linux.die.net/man/8/groupadd.
 
-- 
2.34.1