classes/kernel-fitimage: add variable for description

Add a FIT_DESC variable to make it possible to change how the
description is set in the FIT image.

(From OE-Core rev: 47c5ea69e1a6c4fd3aa766d5223aff1201a4a1d8)

Signed-off-by: Paul Eggleton <paul.eggleton@microsoft.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-fitimage.bbclass
index bb2f3c4ccc..f121eee274 100644
--- a/meta/classes/kernel-fitimage.bbclass
+++ b/meta/classes/kernel-fitimage.bbclass
@@ -72,6 +72,9 @@ FIT_KEY_REQ_ARGS ?= "-batch -new"
 # Standard format for public key certificate
 FIT_KEY_SIGN_PKCS ?= "-x509"
 
+# Description string
+FIT_DESC ?= "U-Boot fitImage for ${DISTRO_NAME}/${PV}/${MACHINE}"
+
 #
 # Emit the fitImage ITS header
 #
@@ -81,7 +84,7 @@ fitimage_emit_fit_header() {
 /dts-v1/;
 
 / {
-        description = "U-Boot fitImage for ${DISTRO_NAME}/${PV}/${MACHINE}";
+        description = "${FIT_DESC}";
         #address-cells = <1>;
 EOF
 }