diag: Add support for mutiple HSIC instances

On a future target, applications processor will talk to
two MDMs simultaneously. This change will enable multiple
HSIC connections towards this configuration.

Change-Id: If2df9184624e20df13cc76717e593a3b6bb461e5
Signed-off-by: Shalabh Jain <shalabhj@codeaurora.org>
diff --git a/arch/arm/mach-msm/include/mach/usbdiag.h b/arch/arm/mach-msm/include/mach/usbdiag.h
index d9320c3..15f4783 100644
--- a/arch/arm/mach-msm/include/mach/usbdiag.h
+++ b/arch/arm/mach-msm/include/mach/usbdiag.h
@@ -26,6 +26,7 @@
 #define DIAG_LEGACY		"diag"
 #define DIAG_MDM		"diag_mdm"
 #define DIAG_QSC		"diag_qsc"
+#define DIAG_MDM2		"diag_mdm2"
 
 #define USB_DIAG_CONNECT	0
 #define USB_DIAG_DISCONNECT	1