soc: native: Convert to HWMv2

Add a soc.yml and reorganize the Kconfig options

Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>

soc/native/inf_clock/Kconfig

@@ -1,6 +1,10 @@
 # Copyright (c) 2023 Nordic Semiconductor ASA
 # SPDX-License-Identifier: Apache-2.0
 
+config SOC_POSIX
+	select ARCH_POSIX
+	select CPU_HAS_FPU
+
 config NATIVE_SIMULATOR_MCU_N
 	int "CPU Number this image targets"
 	range 0 15

soc/native/inf_clock/Kconfig.soc

@@ -1,9 +1,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 config SOC_POSIX
-	bool "Native port"
-	select ARCH_POSIX
-	select CPU_HAS_FPU
+	bool
 	help
 	  SOC for to the POSIX arch. It emulates a CPU running at an infinitely fast
 	  clock. That means the CPU will always run in zero time until completion after
@@ -13,3 +11,6 @@ config SOC_POSIX
 	  sleep. Therefore do not use busy waits while waiting for something to happen
 	  (if needed use k_busy_wait()).
 	  Note that the interrupt handling is provided by the board.
+
+config SOC
+	default "native" if SOC_POSIX

soc/native/inf_clock/soc.yml

@@ -0,0 +1,4 @@
+family:
+- name: native
+  socs:
+  - name: native

soc/soc_legacy/posix/CMakeLists.txt

@@ -1,8 +0,0 @@
-# SPDX-License-Identifier: Apache-2.0
-
-if(SOC_FAMILY)
-  add_subdirectory(${SOC_FAMILY})
-else()
-  add_subdirectory(${SOC_NAME})
-endif()
-

soc/soc_legacy/posix/inf_clock/Kconfig.defconfig

@@ -1,6 +0,0 @@
-# Copyright (c) 2017 Intel Corporation
-# SPDX-License-Identifier: Apache-2.0
-
-config SOC
-	default "inf_clock"
-	depends on SOC_POSIX