Merge pull request #4706 from mysterywolf/ymodem

[ymodem] 修改YMODEM_USING_FILE_TRANSFER功能的开启条件

components/utilities/Kconfig

@@ -11,8 +11,8 @@ config RT_USING_RYM
 
         config YMODEM_USING_FILE_TRANSFER
         bool "Enable file transfer feature"
-        select RT_USING_DFS
-        default n
+        depends on RT_USING_DFS
+        default y
     endif
 
 config RT_USING_ULOG

components/utilities/ymodem/SConscript

@@ -7,7 +7,7 @@ ymodem.c
  
 CPPPATH = [cwd]
 
-if GetDepend('RT_USING_DFS') and GetDepend('YMODEM_USING_FILE_TRANSFER'):
+if GetDepend('YMODEM_USING_FILE_TRANSFER'):
     src += ['ry_sy.c']
 
 group   = DefineGroup('Utilities', src, depend = ['RT_USING_RYM'], CPPPATH = CPPPATH)