aacraid: Change interrupt mode to MSI for Series 6

This change always sets MSI interrupt mode for series-6 controller.

Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Murthy Bhat <Murthy.Bhat@pmcs.com>
Reviewed-by: Karthikeya Sunkesula <Karthikeya.Sunkesula@pmcs.com>
Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>

drivers/scsi/aacraid/aachba.c

@@ -259,7 +259,7 @@ MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
 	" 0=off, 1=on");
 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(msi, "IRQ handling."
-	" 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
+	" 0=PIC(default), 1=MSI, 2=MSI-X)");
 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
 	" adapter to have it's kernel up and\n"