arc: 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/arc/CMakeLists.txt

@@ -10,5 +10,4 @@ zephyr_cc_option(-fno-delete-null-pointer-checks)
 
 zephyr_cc_option_ifdef (CONFIG_LTO         -flto)
 
-add_subdirectory(soc/${SOC_PATH})
 add_subdirectory(core)

arch/arc/Kconfig

@@ -10,7 +10,7 @@ choice
 	prompt "ARC SoC Selection"
 	depends on ARC
 
-	source "arch/arc/soc/*/Kconfig.soc"
+	source "soc/arc/*/Kconfig.soc"
 endchoice
 
 
@@ -19,7 +19,7 @@ menu "ARC Options"
 
 # Include these first so that any properties (e.g. defaults) below can be
 # overriden (by defining symbols in multiple locations)
-source "arch/arc/soc/*/Kconfig"
+source "soc/arc/*/Kconfig"
 
 config ARCH
 	default "arc"

boards/arc/em_starterkit/doc/board.rst

@@ -33,12 +33,12 @@ The default SoC for this board supported in Zephyr is the EM9D.
 This configuration is a Harvard Architecture, with a separate
 instruction bus and data bus. Instruction memory is called ICCM
 and data memory is called DCCM. The configuration file for EM9D
-is found in :file:`arch/arc/soc/snps_emsk/Kconfig.defconfig.em9d`.
+is found in :file:`soc/arc/snps_emsk/Kconfig.defconfig.em9d`.
 
 If you have a larger program, you can select the EM7D or EM11D, which gives
 access to 128KB DRAM with i-cache and d-cache. The configuration file for EM7D
-is found in :file:`arch/arc/soc/snps_emsk/Kconfig.defconfig.em7d` and EM11D is
-found in :file:`arch/arc/soc/snps_emsk/Kconfig.defconfig.em11d`.
+is found in :file:`soc/arc/snps_emsk/Kconfig.defconfig.em7d` and EM11D is
+found in :file:`soc/arc/snps_emsk/Kconfig.defconfig.em11d`.
 
 
 Hardware

soc/arc/snps_emsk/Kconfig.defconfig

@@ -11,8 +11,8 @@ config SOC
 	string
 	default "snps_emsk"
 
-source "arch/arc/soc/snps_emsk/Kconfig.defconfig.em7d"
-source "arch/arc/soc/snps_emsk/Kconfig.defconfig.em11d"
-source "arch/arc/soc/snps_emsk/Kconfig.defconfig.em9d"
+source "soc/arc/snps_emsk/Kconfig.defconfig.em7d"
+source "soc/arc/snps_emsk/Kconfig.defconfig.em11d"
+source "soc/arc/snps_emsk/Kconfig.defconfig.em9d"
 
 endif #SOC_EMSK

soc/arc/snps_nsim/Kconfig.defconfig

@@ -14,7 +14,7 @@ config UART_CONSOLE_ON_DEV_NAME
 	string
 	default "UART_0"
 
-source "arch/arc/soc/snps_nsim/Kconfig.defconfig.em"
-source "arch/arc/soc/snps_nsim/Kconfig.defconfig.sem"
+source "soc/arc/snps_nsim/Kconfig.defconfig.em"
+source "soc/arc/snps_nsim/Kconfig.defconfig.sem"
 
 endif #SOC_NSIM