arm: soc: move arm SoCs to top-dir

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>

soc/arm/st_stm32/stm32f3/Kconfig.defconfig.stm32f334x8

@@ -0,0 +1,29 @@
+# Kconfig - ST Microelectronics STM32F334X8 MCU
+#
+# Copyright (c) 2016 RnDity Sp. z o.o.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+if SOC_STM32F334X8
+
+config SOC
+	string
+	default "stm32f334x8"
+
+config FLASH_PAGE_SIZE
+	hex
+	default 0x800
+
+config NUM_IRQS
+	int
+	default 82
+
+if GPIO_STM32
+
+config GPIO_STM32_PORTF
+	default y
+
+endif # GPIO_STM32
+
+endif # SOC_STM32F334X8