a1: resolve uboot build nogit failed [1/1]

PD#SH-22449

Problem:
A1 bootloader build with --build-nogit failed

Solution:
handle BLX_IMG_NAME with --build-nogit process branch

Verify:
AD402

Change-Id: Ic2876fff9c9df8352a980e509dd389944836fa78
Signed-off-by: Yingwen Wu <yingwen.wu@amlogic.com>
diff --git a/lib.sh b/lib.sh
index b0b2928..a8f43f2 100755
--- a/lib.sh
+++ b/lib.sh
@@ -207,6 +207,9 @@
 	# if uboot code without git for binary directory
 	if [ "1" == "${CONFIG_WITHOUT_BIN_GIT}" ]; then
 		cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_BIN_SUB_FOLDER}/${BLX_BIN_NAME[index]} ${FIP_BUILD_FOLDER} -f
+		if [ "y" == "${CONFIG_FIP_IMG_SUPPORT}" ]; then
+			cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_IMG_NAME[index]} ${FIP_BUILD_FOLDER} 2>/dev/null
+		fi
 	else
 		git_operate ${BLX_BIN_FOLDER[index]} log --pretty=oneline