armv8: fsl-layerscape: add missing debug stream ID

Add a define with a value for the missing debug stream ID.

Reviewed-by: Bharat Bhushan <bharat.bhushan@nxp.com>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch2.h

@@ -50,6 +50,7 @@
 #define FSL_QDMA_STREAM_ID		7
 #define FSL_EDMA_STREAM_ID		8
 #define FSL_ETR_STREAM_ID		9
+#define FSL_DEBUG_STREAM_ID		10
 
 /* PCI - programmed in PEXn_LUT */
 #define FSL_PEX_STREAM_ID_START		11