[dm][pin][pinctrl] add new driver

1. ARM PL061 GPIO
2. Single Pinctrl

Signed-off-by: GuEe-GUI <2991707448@qq.com>

components/drivers/pinctrl/SConscript

@@ -1,7 +1,6 @@
 from building import *
 
 group = []
-objs = []
 
 if not GetDepend(['RT_USING_PINCTRL']):
     Return('group')
@@ -12,12 +11,9 @@ CPPPATH = [cwd + '/../include']
 
 src = ['pinctrl.c']
 
+if GetDepend(['RT_PINCTRL_SINGLE']):
+    src += ['pinctrl-single.c']
+
 group = DefineGroup('DeviceDrivers', src, depend = [''], CPPPATH = CPPPATH)
 
-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'))
-objs = objs + group
-
-Return('objs')
+Return('group')