cmd: improve description of the cdp command

Users might not know what 'CDP' refers to. Provide basic information.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

diff --git a/cmd/Kconfig b/cmd/Kconfig
index b2d0348fe309a2c829dda1cbc5468c6637c92bb8..1d7ddb4ed3607c102359822a99f5b427da43ec68 100644 (file)
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -2016,7 +2016,9 @@ config CMD_PING6
 config CMD_CDP
        bool "cdp"
        help
-         Perform CDP network configuration
+         The cdp command is used to announce the U-Boot device in the network
+         and to retrieve configuration data including the VLAN id using the
+         proprietary Cisco Discovery Protocol (CDP).
 
 config CMD_SNTP
        bool "sntp"