yosemite4: flashy: add flash procedure

Summary: Copy flash procedure from bletchley for Yv4 update.

Test Plan: Build flashy.

Reviewed By: kawmarco

Differential Revision: D52739771

fbshipit-source-id: 801c68f1b7c3d5eeb5aa2450bc5c2f0e3aea3826

tools/flashy/flash_procedure/flash_yosemite4.go

@@ -0,0 +1,29 @@
+/**
+ * Copyright 2020-present Facebook. All Rights Reserved.
+ *
+ * This program file 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program in a file named COPYING; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA
+ */
+
+package flash_procedure
+
+import (
+	"github.com/facebook/openbmc/tools/flashy/lib/flash"
+	"github.com/facebook/openbmc/tools/flashy/lib/step"
+)
+
+func init() {
+	step.RegisterStep(flash.FlashCp)
+}