MMIOT-131 Fix vpu crash in secure mode.

Update vpu_wrapper.h
In secture mode, input buffer is directly sent to hantro decoder,
the stream.allocsize should be set correctly as the actual allocate
size of input buffer.

Signed-off-by: xiahong.bao <xiahong.bao@nxp.com>
diff --git a/ext-includes/vpu_wrapper.h b/ext-includes/vpu_wrapper.h
index 8c4803c..22c2aac 100644
--- a/ext-includes/vpu_wrapper.h
+++ b/ext-includes/vpu_wrapper.h
@@ -269,6 +269,7 @@
 	int nAdaptiveMode;
 	void* pAppCxt;			/*reserved for future application extension*/
     int nSecureMode;
+    int nSecureBufferAllocSize;
 } VpuDecOpenParam;