[SCSI] Mark some core scsi data structures const

patch below marks a few scsi core datastructures as const, so that they end up
in the .rodata section and don't cacheline share with things that get dirtied

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 6cd5931..cd95d2a 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -111,7 +111,7 @@
 
 
 /* Convert fc_tgtid_binding_type values to ascii string name */
-static struct {
+static const struct {
 	enum fc_tgtid_binding_type	value;
 	char				*name;
 	int				matchlen;
@@ -149,7 +149,7 @@
 
 
 /* Convert FC_COS bit values to ascii string name */
-static struct {
+static const struct {
 	u32 			value;
 	char			*name;
 } fc_cos_names[] = {
@@ -163,7 +163,7 @@
 
 
 /* Convert FC_PORTSPEED bit values to ascii string name */
-static struct {
+static const struct {
 	u32 			value;
 	char			*name;
 } fc_port_speed_names[] = {
@@ -189,7 +189,7 @@
 
 
 /* Convert FC_RPORT_ROLE bit values to ascii string name */
-static struct {
+static const struct {
 	u32 			value;
 	char			*name;
 } fc_remote_port_role_names[] = {