add apm32 can driver and add apm32e1/s1 rtt driver support (#7170)

* add apm32 can driver and add apm32e1/s1 rtt driver support

* format some files

* modified action.yml file and modified bsp picture and add bsp README.md

bsp/apm32/apm32s103vb-miniboard/SConscript

@@ -0,0 +1,15 @@
+# for module compiling
+import os
+Import('RTT_ROOT')
+from building import *
+
+cwd = GetCurrentDir()
+objs = []
+list = os.listdir(cwd)
+
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')