!769 修改 chipset sandbox json配置文件沙盒根目录为 /mnt/sandbox/chipset

Merge pull request !769 from Mupceet/init0607_1

interfaces/innerkits/sandbox/chipset-sandbox.json

 {
-    "sandbox-root" : "/mnt/sandbox/system",
+    "sandbox-root" : "/mnt/sandbox/chipset",
     "mount-bind-paths" : [{
             "src-path" : "/system/bin",
             "sandbox-path" : "/system/bin",

interfaces/innerkits/sandbox/chipset-sandbox64.json

 {
-    "sandbox-root" : "/mnt/sandbox/system",
+    "sandbox-root" : "/mnt/sandbox/chipset",
     "mount-bind-paths" : [{
             "src-path" : "/system/bin",
             "sandbox-path" : "/system/bin",