lantiq: dsl: fix status polling loop

doesn't need to do it 20 times all the time, missing loop condition check

Signed-off-by: Conor O'Gorman <i@conorogorman.net>

SVN-Revision: 33217

package/ltq-dsl/patches/110-fix_status_polling_loop.patch

@@ -0,0 +1,11 @@
+--- a/src/device/drv_dsl_cpe_device_danube.c
++++ b/src/device/drv_dsl_cpe_device_danube.c
+@@ -4069,7 +4069,7 @@ static DSL_Error_t DSL_DRV_DANUBE_XTUSys
+ 
+    DSL_CTX_WRITE(pContext, nErrCode, xtseCurr, xtseCurr);
+ 
+-   for (nRetry = 0; nRetry < 20; nRetry++)
++   for (nRetry = 0; nRetry < 20 && bStatusUpdated == DSL_FALSE; nRetry++)
+    {
+       /* Get STAT1 info*/
+       nErrCode = DSL_DRV_DANUBE_CmvRead(pContext, DSL_CMV_GROUP_STAT,