Determine the device parameters explicit after running

stlink_reset(). Otherwise a sleeping device (WFI) doesn't return the
parameters.

flash/main.c

@@ -108,6 +108,7 @@ int main(int ac, char** av)
     stlink_enter_swd_mode(sl);
 
   stlink_reset(sl);
+  stlink_load_device_params(sl);
 
   if (o.do_read == 0) /* write */
   {

src/stlink-sg.c

@@ -1025,7 +1025,6 @@ stlink_t* stlink_v1_open(const int verbose) {
     }
     // by now, it _must_ be fully open and in a useful mode....
 	stlink_enter_swd_mode(sl);
-    stlink_load_device_params(sl);
     ILOG("Successfully opened a stlink v1 debugger\n");
     return sl;
 }

src/stlink-usb.c

@@ -702,7 +702,6 @@ stlink_t* stlink_open_usb(const int verbose) {
     }
 
     stlink_version(sl);
-    stlink_load_device_params(sl);
 
     error = 0;