boards: x86: acrn: move and convert to HWMv2

Move and convert to HWMv2 `acrn` and `acrn_ehl_crb` board
configurations.

Signed-off-by: Dmitrii Golovanov <dmitrii.golovanov@intel.com>

boards/acrn/Kconfig

@@ -0,0 +1,17 @@
+# Copyright (c) 2019-2024 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_ACRN
+	bool
+	select CPU_HAS_FPU
+	select X86_64
+	help
+	  "ACRN User OS"
+
+config BOARD_ACRN_EHL_CRB
+	bool
+	select CPU_HAS_FPU
+	select X86_64
+	help
+	  "ACRN User OS on ElkhartLake CRB"

boards/acrn/Kconfig.acrn

@@ -0,0 +1,6 @@
+# Copyright (c) 2019-2024 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_ACRN
+	select SOC_IA32

boards/acrn/Kconfig.acrn_ehl_crb

@@ -0,0 +1,6 @@
+# Copyright (c) 2019-2024 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_ACRN_EHL_CRB
+	select SOC_IA32

boards/acrn/Kconfig.defconfig

@@ -1,17 +1,10 @@
-# Copyright (c) 2021 Intel Corporation
+# Copyright (c) 2021-2024 Intel Corporation
+#
 # SPDX-License-Identifier: Apache-2.0
 
-if BOARD_ACRN
-
-config BOARD
-	default "acrn"
-	depends on BOARD_ACRN
-
 config MP_MAX_NUM_CPUS
 	default 2
 
 config HEAP_MEM_POOL_ADD_SIZE_ACPI
 	default 32768
 	depends on ACPI
-
-endif

boards/acrn/acrn_defconfig

@@ -1,7 +1,7 @@
+# Copyright (c) 2019-2024 Intel Corporation
+#
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_IA32=y
-CONFIG_BOARD_ACRN=y
 CONFIG_PIC_DISABLE=y
 CONFIG_LOAPIC=y
 CONFIG_APIC_TSC_DEADLINE_TIMER=y

boards/acrn/acrn_ehl_crb_defconfig

@@ -1,7 +1,7 @@
+# Copyright (c) 2019-2024 Intel Corporation
+#
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_IA32=y
-CONFIG_BOARD_ACRN=y
 CONFIG_PIC_DISABLE=y
 CONFIG_LOAPIC=y
 CONFIG_X2APIC=y

boards/acrn/board.yml

@@ -0,0 +1,9 @@
+boards:
+
+  - name: acrn
+    socs:
+      - name: ia32
+
+  - name: acrn_ehl_crb
+    socs:
+      - name: elkhart_lake

boards/boards_legacy/x86/acrn/Kconfig.board

@@ -1,8 +0,0 @@
-# Copyright (c) 2019 Intel Corporation
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_ACRN
-	bool "ACRN User OS"
-	depends on SOC_IA32
-	select CPU_HAS_FPU
-	select X86_64