build.sh: Deploy DTB files into staging folder for Agilex3

Signed-off-by: drosdi <danish.ahmad.rosdi@altera.com>

Author: drosdi

build.sh

@@ -297,7 +297,7 @@ package() {
 			cp -vrL kernel.* $STAGING_FOLDER/	|| echo "[INFO] No .itb file found."
 		fi
 
-		if [[ "$MACHINE" == *"agilex5_"* || "$MACHINE" == *"agilex7_"* || "$MACHINE" == *"stratix10"* ]]; then
+		if [[ "$MACHINE" == *"agilex5_"* || "$MACHINE" == *"agilex7_"* || "$MACHINE" == *"stratix10"* || "$MACHINE" == "agilex3" ]]; then
 			cp -vrL devicetree/* $STAGING_FOLDER/	|| echo "[INFO] No dtb found."
 		elif [[ "$MACHINE" == "arria10" && "$IMAGE" == "nand" ]]; then
 			cp -vrL socfpga_arria10_socdk_nand.dtb $STAGING_FOLDER/		|| echo "[INFO] No dtb found."