board/boundarydevices/common/post-build.sh: fix U-Boot naming

The upgrade.cmd script expects the binary to be named
u-boot.<uboot_defconfig>.

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

board/boundarydevices/common/post-build.sh

@@ -6,6 +6,7 @@
 #
 
 BOARD_DIR="$(dirname $0)"
+UBOOT_DEFCONFIG="$(grep BR2_TARGET_UBOOT_BOARD_DEFCONFIG ${BR2_CONFIG} | sed 's/.*\"\(.*\)\"/\1/')"
 
 # bd u-boot looks for standard bootscript
 install -m 0644 -D $BINARIES_DIR/boot.scr $TARGET_DIR/boot/
@@ -14,9 +15,9 @@ $HOST_DIR/bin/mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
 -n "boot script" -d $BOARD_DIR/6x_bootscript.txt $TARGET_DIR/6x_bootscript
 
 # u-boot / update script for bd upgradeu command
-if [ -e $BINARIES_DIR/u-boot.imx ];
-then
-    install -D -m 0644 $BINARIES_DIR/u-boot.imx $TARGET_DIR/u-boot.imx
+if [ -e $BINARIES_DIR/u-boot.imx ]; then
+    install -D -m 0644 $BINARIES_DIR/u-boot.imx \
+        $TARGET_DIR/u-boot.$UBOOT_DEFCONFIG
     $HOST_DIR/bin/mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
     -n "upgrade script" -d $BOARD_DIR/upgrade.cmd $TARGET_DIR/upgrade.scr
     # legacy 6x_upgrade script