iot2050: Migrate settings into board env file
Anything that is not boot-env related is better kept there by now.
At this chance, also drop a stale comment from iot2050.h
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
diff --git a/board/siemens/iot2050/iot2050.env b/board/siemens/iot2050/iot2050.env
new file mode 100644
index 0000000..4bd93f0
--- /dev/null
+++ b/board/siemens/iot2050/iot2050.env
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) Siemens AG, 2023
+ *
+ * Authors:
+ * Jan Kiszka <jan.kiszka@siemens.com>
+ */
+
+usb_pgood_delay=900