soc: riscv: renove_virt: reorganize SoC folder

Move out from riscv-privileged, and convert to a standalone SoC.

Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>

boards/riscv/riscv32_virtual/riscv32_virtual_defconfig

@@ -1,7 +1,6 @@
 # Copyright (c) 2023 Meta
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_RISCV32_VIRTUAL_RENODE=y
 CONFIG_SOC_RISCV32_VIRTUAL_RENODE=y
 CONFIG_BOARD_RISCV32_VIRTUAL=y
 CONFIG_CONSOLE=y

soc/riscv/renode_virt/Kconfig.defconfig

@@ -1,9 +1,9 @@
 # Copyright (c) 2023 Meta
 # SPDX-License-Identifier: Apache-2.0
 
-if SOC_SERIES_RISCV32_VIRTUAL_RENODE
+if SOC_RISCV32_VIRTUAL_RENODE
 
-config SOC_SERIES
+config SOC
 	default "renode_virt"
 
 config SYS_CLOCK_HW_CYCLES_PER_SEC
@@ -45,4 +45,4 @@ config MAX_IRQ_PER_AGGREGATOR
 config NUM_IRQS
 	default 2058
 
-endif # SOC_SERIES_RISCV32_VIRTUAL_RENODE
+endif # SOC_RISCV32_VIRTUAL_RENODE

soc/riscv/renode_virt/Kconfig.soc

@@ -1,12 +1,11 @@
 # Copyright (c) 2023 Meta
 # SPDX-License-Identifier: Apache-2.0
 
-choice
-	prompt "Renode RISCV32 Virtual system implementation"
-	depends on SOC_SERIES_RISCV32_VIRTUAL_RENODE
-
 config SOC_RISCV32_VIRTUAL_RENODE
 	bool "Renode RISCV32 Virtual system implementation"
+	select RISCV
+	select RISCV_PRIVILEGED
+	select RISCV_PRIVILEGED_STANDALONE
 	select ATOMIC_OPERATIONS_BUILTIN
 	select INCLUDE_RESET_VECTOR
 	select RISCV_ISA_RV32I
@@ -15,5 +14,3 @@ config SOC_RISCV32_VIRTUAL_RENODE
 	select RISCV_ISA_EXT_C
 	select RISCV_ISA_EXT_ZICSR
 	select RISCV_ISA_EXT_ZIFENCEI
-
-endchoice

soc/riscv/riscv-privileged/renode_virt/Kconfig.series

@@ -1,9 +0,0 @@
-# Copyright (c) 2023 Meta
-# SPDX-License-Identifier: Apache-2.0
-
-config SOC_SERIES_RISCV32_VIRTUAL_RENODE
-	bool "Renode RISC-V32 Virtual SoC implementation"
-	select RISCV
-	select SOC_FAMILY_RISCV_PRIVILEGED
-	help
-	  Enable support for Renode RISC-V Virtual