bootimg.bbclass: add comment for NOHDD

Add comment for NOHDD which is used for skipping building the HDDIMG if
set to 1

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/bootimg.bbclass b/meta/classes/bootimg.bbclass
index b7ddf42427e3662d4a304d07fbf5713e89fce6d3..117929e3e30f86f18943186b5d05e0e2f767a7be 100644 (file)
--- a/meta/classes/bootimg.bbclass
+++ b/meta/classes/bootimg.bbclass
@@ -20,6 +20,7 @@
 # External variables (also used by syslinux.bbclass)
 # ${INITRD} - indicates a filesystem image to use as an initrd (optional)
 # ${NOISO}  - skip building the ISO image if set to 1
+# ${NOHDD}  - skip building the HDD image if set to 1
 # ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional)
 
 do_bootimg[depends] += "dosfstools-native:do_populate_sysroot \