riscv32: move soc to top-level dir soc/

Move the SoC outside of the architecture tree and put them at the same
level as boards and architectures allowing both SoCs and boards to be
maintained outside the tree.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

arch/riscv32/CMakeLists.txt

@@ -1,4 +1,3 @@
-add_subdirectory(soc)
 add_subdirectory(core)
 
 set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-littleriscv)

arch/riscv32/Kconfig

@@ -7,7 +7,7 @@
 choice
 	prompt "RISCV32 configuration selection"
 	depends on RISCV32
-	source "arch/riscv32/soc/*/Kconfig.soc"
+	source "soc/riscv32/*/Kconfig.soc"
 endchoice
 
 menu "RISCV32 Options"
@@ -15,7 +15,7 @@ menu "RISCV32 Options"
 
 # Include these first so that any properties (e.g. defaults) below can be
 # overriden (by defining symbols in multiple locations)
-source "arch/riscv32/soc/*/Kconfig"
+source "soc/riscv32/*/Kconfig"
 
 config ARCH
 	string

soc/riscv32/riscv-privilege/Kconfig

@@ -22,4 +22,4 @@ config RISCV_HAS_PLIC
 	  Does the SOC provide support for a Platform Level Interrupt Controller
 
 
-source "arch/riscv32/soc/riscv-privilege/*/Kconfig.soc"
+source "soc/riscv32/riscv-privilege/*/Kconfig.soc"

soc/riscv32/riscv-privilege/Kconfig.defconfig

@@ -4,4 +4,4 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-source "arch/riscv32/soc/riscv-privilege/*/Kconfig.defconfig.series"
+source "soc/riscv32/riscv-privilege/*/Kconfig.defconfig.series"

soc/riscv32/riscv-privilege/Kconfig.soc

@@ -5,4 +5,4 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-source "arch/riscv32/soc/riscv-privilege/*/Kconfig.series"
+source "soc/riscv32/riscv-privilege/*/Kconfig.series"