scripts: add help text for some generated KConfigs

TARGET_MULTI_PROFILE and TARGET_PER_DEVICE_ROOTFS get some help text to
try and clarify their behaviour.

Signed-off-by: Karl Palsson <karlp@etactica.com>

diff --git a/scripts/target-metadata.pl b/scripts/target-metadata.pl
index 07160dc4ea2c890886a2401a0ba1b597b0337afb..3422572d1639ab2b57454a64330be4afb1f28506 100755 (executable)
--- a/scripts/target-metadata.pl
+++ b/scripts/target-metadata.pl
@@ -218,6 +218,9 @@ EOF
 config TARGET_MULTI_PROFILE
        bool "Multiple devices"
        depends on HAS_DEVICES
+       help
+       Instead of only building a single image, or all images, this allows you
+       to select images to be built for multiple devices in one build.
 
 EOF
 
@@ -256,6 +259,20 @@ menu "Target Devices"
 
        config TARGET_PER_DEVICE_ROOTFS
                bool "Use a per-device root filesystem that adds profile packages"
+               help
+               When disabled, all device packages from all selected devices
+               will be included in all images by default. (Marked as <*>) You will
+               still be able to manually deselect any/all packages.
+               When enabled, each device builds it's own image, including only the
+               profile packages for that device.  (Marked as {M}) You will be able
+               to change a package to included in all images by marking as {*}, but
+               will not be able to disable a profile package completely.
+               
+               To get the most use of this setting, you must set in a .config stub
+               before calling "make defconfig".  Selecting TARGET_MULTI_PROFILE and
+               then manually selecting (via menuconfig for instance) this option
+               will have pre-defaulted all profile packages to included, making this
+               option appear to have had no effect.
 
 EOF
        foreach my $target (@target) {