[gnome-continuous-yocto/gnomeostree-3.28-rocko: 5033/8267] runqemu-gen-tapdevs: Improve help text with an example

[Emmanuele Bassi <ebassi src gnome org>]

commit 0efe58df2e5389f86dfbd53f90afc8f2970def7d
Author: Richard Purdie <richard purdie linuxfoundation org>
Date:   Fri Mar 10 12:56:16 2017 +0000

    runqemu-gen-tapdevs: Improve help text with an example
    
    Figuring how the correct commandline isn't trivial, improve the help
    text with RSS in mind.
    
    (From OE-Core rev: 056a9da9f3ac2bc175f19243b11864ca90eee28b)
    
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 scripts/runqemu-gen-tapdevs |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/scripts/runqemu-gen-tapdevs b/scripts/runqemu-gen-tapdevs
index bfb60f4..9e5e5b9 100755
--- a/scripts/runqemu-gen-tapdevs
+++ b/scripts/runqemu-gen-tapdevs
@@ -28,6 +28,8 @@ usage() {
        echo "Where <gid> is the numeric group id the tap devices will be owned by"
        echo "<num> is the number of tap devices to create (0 to remove all)"
        echo "<native-sysroot-basedir> is the path to the build system's native sysroot"
+       echo "e.g. $ bitbake qemu-helper-native -c addto_recipe_sysroot"
+       echo "$ sudo $0 1000 1000 4 tmp/work/x86_64-linux/qemu-helper-native/*/recipe-sysroot-native/"
        exit 1
 }