cleanup: include/: move flash.h to drivers/flash.h
move flash.h to drivers/flash.h and
create a shim for backward-compatibility.
No functional changes to the headers.
A warning in the shim can be controlled with CONFIG_COMPAT_INCLUDES.
Related to #16539
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
diff --git a/drivers/flash/flash_stm32f4x.c b/drivers/flash/flash_stm32f4x.c
index cb828f8..86a7c88 100644
--- a/drivers/flash/flash_stm32f4x.c
+++ b/drivers/flash/flash_stm32f4x.c
@@ -7,7 +7,7 @@
#include <kernel.h>
#include <device.h>
#include <string.h>
-#include <flash.h>
+#include <drivers/flash.h>
#include <init.h>
#include <soc.h>
