phy: rockchip-typec: Make usb3_pll_cfg and dp_pll_cfg static

Fix sparse warning:

drivers/phy/rockchip/phy-rockchip-typec.c:403:16: warning: symbol 'usb3_pll_cfg' was not declared. Should it be static?
drivers/phy/rockchip/phy-rockchip-typec.c:420:16: warning: symbol 'dp_pll_cfg' was not declared. Should it be static?
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

drivers/phy/rockchip/phy-rockchip-typec.c

@@ -400,7 +400,7 @@ struct phy_reg {
 	u32 addr;
 };
 
-struct phy_reg usb3_pll_cfg[] = {
+static struct phy_reg usb3_pll_cfg[] = {
 	{ 0xf0,		CMN_PLL0_VCOCAL_INIT },
 	{ 0x18,		CMN_PLL0_VCOCAL_ITER },
 	{ 0xd0,		CMN_PLL0_INTDIV },
@@ -417,7 +417,7 @@ struct phy_reg usb3_pll_cfg[] = {
 	{ 0x8,		CMN_DIAG_PLL0_LF_PROG },
 };
 
-struct phy_reg dp_pll_cfg[] = {
+static struct phy_reg dp_pll_cfg[] = {
 	{ 0xf0,		CMN_PLL1_VCOCAL_INIT },
 	{ 0x18,		CMN_PLL1_VCOCAL_ITER },
 	{ 0x30b9,	CMN_PLL1_VCOCAL_START },