Revert "Correct length value in mfg data"

This reverts commit 0979159cafd1139130c16c45ebde8ee3ecd7d664.

seos_profile.c

@@ -49,7 +49,7 @@ static GapConfig seos_reader_template_config = {
         {
             0x2e,
             0x01,
-            0x13,
+            0x15,
             0x4b,
             0xe2,
             0xb6,