init: import the hardware specific init file in init.rc

This removes the hardcoding of the file import in init and instead
allows the init.rc file to fully control what is loaded.

Change-Id: I933e5bbab57f1e8705a370d660f92c6508da94d2
Signed-off-by: Dima Zavin <dima@android.com>

init/init.c

@@ -706,8 +706,6 @@ int main(int argc, char **argv)
 
     INFO("reading config file\n");
     init_parse_config_file("/init.rc");
-    snprintf(tmp, sizeof(tmp), "/init.%s.rc", hardware);
-    init_parse_config_file(tmp);
 
     action_for_each_trigger("early-init", action_add_queue_tail);
 

rootdir/init.rc

@@ -1,3 +1,5 @@
+import /init.${ro.hardware}.rc
+
 on early-init
     # Set init and its forked children's oom_adj.
     write /proc/1/oom_adj -16