Merge pull request #3 from hepingood/dev

feat: add IAR EW project

Author: libdriver

project/stm32f407/EW/stm32f407.dep

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project>
+    <fileVersion>5</fileVersion>
+    <fileChecksum>853846659</fileChecksum>
+    <configuration>
+        <name>Release</name>
+        <outputs>
+            <file>$PROJ_DIR$\..\hal\asm\startup_stm32f407xx_ew.s</file>
+        </outputs>
+        <forcedrebuild>
+            <name>[REBUILD_ALL]</name>
+        </forcedrebuild>
+    </configuration>
+</project>