build: make device tree arg really optional in mkits.sh

If no device tree is given there is no node generated, but
the configuration does still include the name of the missing node.
This will result in a successful build fit image, but bootm does
throw a error message if we want to boot the bad configuration.

Signed-off-by: Johann Neuhauser <jneuhauser@dh-electronics.com>
(cherry picked from commit 205e0939f0a141a1524d94eaf84407ddcb6a1a09)

diff --git a/scripts/mkits.sh b/scripts/mkits.sh
index 3015122dcc6488c1306f0632a99b73978c2781cc..fa159102d7137a03222ca3448325bd101a443d40 100755 (executable)
--- a/scripts/mkits.sh
+++ b/scripts/mkits.sh
@@ -59,7 +59,7 @@ ARCH_UPPER=`echo $ARCH | tr '[:lower:]' '[:upper:]'`
 
 # Conditionally create fdt information
 if [ -n "${DTB}" ]; then
-       FDT="
+       FDT_NODE="
                fdt@1 {
                        description = \"${ARCH_UPPER} libreCMC ${DEVICE} device tree blob\";
                        data = /incbin/(\"${DTB}\");
@@ -74,6 +74,7 @@ if [ -n "${DTB}" ]; then
                        };
                };
 "
+       FDT_PROP="fdt = \"fdt@1\";"
 fi
 
 # Create a default, fully populated DTS file
@@ -100,9 +101,7 @@ DATA="/dts-v1/;
                                algo = \"sha1\";
                        };
                };
-
-${FDT}
-
+${FDT_NODE}
        };
 
        configurations {
@@ -110,7 +109,7 @@ ${FDT}
                ${CONFIG} {
                        description = \"libreCMC\";
                        kernel = \"kernel@1\";
-                       fdt = \"fdt@1\";
+                       ${FDT_PROP}
                };
        };
 };"