parse_az6007.pl: Fix the payload var name at the parser logic

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/contrib/az6007/parse_az6007.pl b/contrib/az6007/parse_az6007.pl
index 5970605..cc53ec2 100755 (executable)
--- a/contrib/az6007/parse_az6007.pl
+++ b/contrib/az6007/parse_az6007.pl
@@ -2253,7 +2253,7 @@ sub i2c_decode($$$$$)
        if ($n >= 6 && !$write) {
                # This is how az6007 returns reads
                $n -= 6;
-               $data = substr($data, 3 * 5, $n * 3);
+               $payload = substr($payload, 3 * 5, $n * 3);
        }
 
        $addr = $wvalue & 0xff;