esp32: slightly reformat logging messages

Minor log messages reformat.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

esp32/max80/config.c

@@ -36,19 +36,21 @@ int setenv_config(const char *name, const char *value)
 int setenv_cond(const char *name, const char *value)
 {
     const char *pfx;
+    size_t skip;
 
-    if (!strncmp("status.", name, 7))
-	pfx = "STAT";
-    else
-	pfx = "CONF";
-
-    if (value) {
-	logmsg(pfx, "%s: %s\n", name, value);
-	return setenv(name, value, 1);
+    if (!strncmp("status.", name, 7)) {
+	pfx = "STATUS";
+	skip = 7;
     } else {
-	logmsg(pfx, "%s: <deleted>\n", name);
-	return unsetenv(name);
+	pfx = "CONFIG";
+	skip = 0;
     }
+    logmsg(pfx, "%s <- %s\n", name+skip, value ? value : "(deleted)");
+
+    if (value)
+      return setenv(name, value, 1);
+    else
+      return unsetenv(name);
 }
 
 static void reset_config(void)
@@ -330,10 +332,10 @@ void log_config_status(void)
 
     for (char **var = environ; *var; var++) {
 	if (!strncmp(*var, "status.", 7)) {
-	    pfx = "STAT";
+	    pfx = "STATUS";
 	    skip = 7;
 	} else {
-	    pfx = "CONF";
+	    pfx = "CONFIG";
 	    skip = 0;
 	}
 	logmsg(pfx, "%s\n", *var+skip);