libc: workaround to fix wifi IP address issue

libc optimization changes regarding memset and memcpy
added by this 5d55730cf69dac7c8f99dcb17b04307cd050948c
 caused wifi driver issues, which won't
let device get IP address.

Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>
1 file changed