x86/sfi: Kill the IRQ as id hack

Nothing should now need it so take it out

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index b1489a0..6a21f60 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -802,8 +802,7 @@
 	if (mrst_has_msic())
 		return;
 
-	/* ID as IRQ is a hack that will go away */
-	pdev = platform_device_alloc(entry->name, entry->irq);
+	pdev = platform_device_alloc(entry->name, 0);
 	if (pdev == NULL) {
 		pr_err("out of memory for SFI platform device '%s'.\n",
 			entry->name);