example/KR260: Add support for 10GBASE-R on KR260

Signed-off-by: Alex Forencich <alex@alexforencich.com>

example/KR260/fpga/fpga_10g/config.tcl

@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: MIT
+#
+# Copyright (c) 2025 FPGA Ninja, LLC
+#
+# Authors:
+# - Alex Forencich
+#
+
+set params [dict create]
+
+# SFP+ rate
+# 0 for 1G, 1 for 10G
+dict set params SFP_RATE "1"
+
+# apply parameters to top-level
+set param_list {}
+dict for {name value} $params {
+    lappend param_list $name=$value
+}
+
+set_property generic $param_list [get_filesets sources_1]