net: dsa: sja1105: Make 'sja1105et_regs' and 'sja1105pqrs_regs' static

drivers/net/dsa/sja1105/sja1105_spi.c:486:21: warning: symbol 'sja1105et_regs' was not declared. Should it be static?
drivers/net/dsa/sja1105/sja1105_spi.c:511:21: warning: symbol 'sja1105pqrs_regs' was not declared. Should it be static?

Fixes: 8aa9ebcc ("net: dsa: Introduce driver for NXP SJA1105 5-port L2 switch")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai26@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/sja1105/sja1105_spi.c

@@ -483,7 +483,7 @@ int sja1105_static_config_upload(struct sja1105_private *priv)
 	return rc;
 }
 
-struct sja1105_regs sja1105et_regs = {
+static struct sja1105_regs sja1105et_regs = {
 	.device_id = 0x0,
 	.prod_id = 0x100BC3,
 	.status = 0x1,
@@ -508,7 +508,7 @@ struct sja1105_regs sja1105et_regs = {
 	.rmii_ext_tx_clk = {0x100018, 0x10001F, 0x100026, 0x10002D, 0x100034},
 };
 
-struct sja1105_regs sja1105pqrs_regs = {
+static struct sja1105_regs sja1105pqrs_regs = {
 	.device_id = 0x0,
 	.prod_id = 0x100BC3,
 	.status = 0x1,