tcl/board/ti/*: Rename files using "-" separator

Replace "_" file separator with "-" file separator as recommended by
coding standards guidelines. While doing this, add the files that were
present in previous v0.12.0 release to file_renaming.cfg for this
non-trivial rename.

Signed-off-by: Nishanth Menon <nm@ti.com>
Change-Id: I88685f08f4a0cc580fa3b03f6db0d85061d65b94
Reviewed-on: https://review.openocd.org/c/openocd/+/9236
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

tcl/board/ti/am243-launchpad.cfg

@@ -0,0 +1,25 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2023 Texas Instruments Incorporated - http://www.ti.com/
+#
+# Texas Instruments AM243 Launchpad
+# https://www.ti.com/tool/LP-AM243
+#
+
+# AM243 Launchpad has an xds110 onboard.
+source [find interface/xds110.cfg]
+
+transport select jtag
+
+# default JTAG configuration has only SRST and no TRST
+reset_config srst_only srst_push_pull
+
+# delay after SRST goes inactive
+adapter srst delay 20
+
+if { ![info exists SOC] } {
+	set SOC am243
+}
+
+source [find target/ti/k3.cfg]
+
+adapter speed 250