tools: ipq6018: Update nand-audio 2k image name

This patch updates the pack script to handle the
change required in nand-audio 2k single image name.

Change-Id: If15925e29e985bc4161a45666d6a67e17d76e93a
Signed-off-by: speriaka <speriaka@codeaurora.org>
1 file changed