What I found out was that the config file used for compiling the kernel is:
Therefore you have to adjust the target of step 3 to this file. Anyway, I'm not 100% sure because I'm still fighting with applying patches to the kernel but maybe this is helpful for you.
It does work! thank you very much! But seems that I must copy .config to both directores (both you and I mentioned) and follow the steps strictly.
thanks a lot!