stm32: move stm32 specific code to mach-stm32
This patch moves stm32 sources at one place, with this armv7m now contains
only generic stuff.
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
diff --git a/arch/arm/mach-stm32/Makefile b/arch/arm/mach-stm32/Makefile
new file mode 100644
index 0000000..ea06034
--- /dev/null
+++ b/arch/arm/mach-stm32/Makefile
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-$(CONFIG_STM32F1) += stm32f1/
+obj-$(CONFIG_STM32F4) += stm32f4/