SWDEV-429053 - Add hipStreamLegacy define

Signed-off-by: sdashmiz <shadi.dashmiz@amd.com>
Change-Id: Idfbb2d15280f12f747b95125dfe6982b1722fca1

include/hip/hip_runtime_api.h

@@ -804,6 +804,8 @@ enum hipLimit_t {
 /** Implicit stream per application thread.*/
 #define hipStreamPerThread ((hipStream_t)2)
 
+#define hipStreamLegacy ((hipStream_t)1)
+
 // Indicates that the external memory object is a dedicated resource
 #define hipExternalMemoryDedicated 0x1
 /**