Add "CMSIS-DAP" to product name for compatibility (#981)

Some tools (including some versions of MDK) require "CMSIS-DAP" to be present in product name. This has been an issue since DAPLink added support for bulk interface (DAPv2) in v0254.

Author: penjun71

source/daplink/cmsis-dap/dap_strings.h

@@ -24,7 +24,7 @@
 #include "target_board.h"
 
 #if !defined(CMSIS_DAP_PRODUCT_NAME)
-#define CMSIS_DAP_PRODUCT_NAME "DAPLink"
+#define CMSIS_DAP_PRODUCT_NAME "DAPLink CMSIS-DAP"
 #endif
 
 //! Maximum output buffer length of all these functions.