sys/log: Add default log names

There are several predefined modules that have assigned
module id but are not generated by newt tool

This adds string values that are used to get modlog module
name for those predefined modules.

Signed-off-by: Jerzy Kasenberg <jerzy.kasenberg@codecoup.pl>

sys/log/full/src/log.c

@@ -226,12 +226,27 @@ log_module_register(uint8_t id, const char *name)
     return id;
 }
 
+static const char *const default_modules[] = {
+    "DEFAULT",
+    "OS",
+    "NEWTMGR",
+    "NIMBLE_CTLR",
+    "NIMBLE_HOST",
+    "NFFS",
+    "REBOOT",
+    "IOTIVITY",
+};
+
 const char *
 log_module_get_name(uint8_t module)
 {
     int idx;
     const char *name;
 
+    if (module < LOG_MODULE_TEST) {
+        return default_modules[module];
+    }
+
     /* Find module defined in syscfg.logcfg sections */
     name = logcfg_log_module_name(module);