opencellular/rotundu: Add mainboard support

Adds Open Cellular rotundu mainboard supports.

Working:
  - 2x Ethernet support
  - MSATA support
  - CPU init
  - Memory init
  - USB support
  - EMMC but disabled

Not working:
  - TPM support

Create directory structure and Kconfig files for OpenCellular
Rotundu and copy sources from intel/minnowmax.

Change-Id: I391d4bdd485f4bf5396c764fe3f11d98369593e4
Signed-off-by: Hong Gan <hgan@fb.com>
Signed-off-by: David Hendricks <dhendricks@fb.com>
Reviewed-on: https://review.coreboot.org/22894
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/mainboard/opencellular/Kconfig b/src/mainboard/opencellular/Kconfig
new file mode 100644
index 0000000000..2df6ba3afe
--- /dev/null
+++ b/src/mainboard/opencellular/Kconfig
@@ -0,0 +1,30 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2017-present Facebook, Inc.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+if VENDOR_OPENCELLULAR
+
+choice
+	prompt "Mainboard model"
+
+source "src/mainboard/opencellular/*/Kconfig.name"
+
+endchoice
+
+source "src/mainboard/opencellular/*/Kconfig"
+
+config MAINBOARD_VENDOR
+	string
+	default "OpenCellular"
+
+endif # VENDOR_OPENCELLULAR