Use unbuffered logging for debugs

WPA supplicant debugs are excessive and the incoming rate is high esp.
during connection, so, even though we increase the log buffer size, we
still miss quite a few events.

So, disable buffered logging for debugs, one caveat is that we lose the
timestamp that comes with LOG_ macros and also the prints might be
jumbled but this is still preferred over losing events.

Signed-off-by: Krishna T <[email protected]>

zephyr/Kconfig

@@ -115,9 +115,4 @@ config WPA_SUPP_DEBUG_LEVEL
       available levels and functions for emitting the messages. Note that
       runtime filtering can also be configured in addition to the compile-time
       filtering.
-
-# Debug logs need more buffer space
-config LOG_BUFFER_SIZE
-    default 4096 if WPA_SUPP_LOG_LEVEL_DBG
-    default 2048
 endif

zephyr/src/utils/wpa_debug.c

@@ -54,7 +54,7 @@ void wpa_printf_impl(int level, const char *fmt, ...)
 	case MSG_DEBUG:
 	case MSG_MSGDUMP:
 	case MSG_EXCESSIVE:
-		LOG_DBG("%s", buffer);
+		printf("%s\n", buffer);
 		break;
 	default:
 		break;