Bug fix for "Use extracted partitions for x86_64"

Bug: 358426674
Change-Id: Ieb0c275b081f16ff889b572a1f7add66e01abf10
Test: build
diff --git a/build/debian/build.sh b/build/debian/build.sh
index 8f232aa..466c2e0 100755
--- a/build/debian/build.sh
+++ b/build/debian/build.sh
@@ -241,7 +241,7 @@
 	mv vmlinuz* vmlinuz
 	mv initrd.img* initrd.img
 	images+=(
-		boot_part
+		bios_part
 		root_part
 		efi_part
 		vmlinuz