bsp/tms570: Add TMS570LC4357 BSP variants

Update #4982.

spec/build/bsps/arm/tms570/bsplc4357hdk.yml

@@ -0,0 +1,21 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+arch: arm
+bsp: tms570lc4357_hdk
+build-type: bsp
+cflags: []
+copyrights:
+- Copyright (C) 2023 embedded brains GmbH & Co. KG
+cppflags: []
+enabled-by: true
+family: tms570
+includes: []
+install: []
+links:
+- role: build-dependency
+  uid: ../../opto2
+- role: build-dependency
+  uid: ../../tstsmallmem
+- role: build-dependency
+  uid: grp
+source: []
+type: build

spec/build/bsps/arm/tms570/bsplc4357hdksdram.yml

@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+arch: arm
+bsp: tms570lc4357_hdk_sdram
+build-type: bsp
+cflags: []
+copyrights:
+- Copyright (C) 2023 embedded brains GmbH & Co. KG
+cppflags: []
+enabled-by: true
+family: tms570
+includes: []
+install: []
+links:
+- role: build-dependency
+  uid: ../../opto2
+- role: build-dependency
+  uid: grp
+source: []
+type: build

spec/build/bsps/arm/tms570/obj.yml

@@ -65,6 +65,8 @@ install:
   - bsps/arm/tms570/include/bsp/ti_herc/reg_vim.h
 - destination: ${BSP_LIBDIR}
   source:
+  - bsps/arm/tms570/start/linkcmds.tms570lc4357_hdk
+  - bsps/arm/tms570/start/linkcmds.tms570lc4357_hdk_sdram
   - bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk
   - bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_intram
   - bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_sdram

spec/build/bsps/arm/tms570/optvariant.yml

@@ -13,6 +13,10 @@ build-type: option
 copyrights:
 - Copyright (C) 2023 embedded brains GmbH & Co. KG
 default:
+- enabled-by:
+  - arm/tms570lc4357_hdk
+  - arm/tms570lc4357_hdk_sdram
+  value: 4357
 - enabled-by: true
   value: 3137
 description: |