phy: exynos5-usbdrd: Remove "static" from local variable

The 'reg' local variable does not need to be static.
Signed-off-by: NAxel Lin <axel.lin@ingics.com>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>

drivers/phy/phy-exynos5-usbdrd.c

@@ -249,7 +249,7 @@ static void exynos5_usbdrd_phy_isol(struct phy_usb_instance *inst,
 static unsigned int
 exynos5_usbdrd_pipe3_set_refclk(struct phy_usb_instance *inst)
 {
-	static u32 reg;
+	u32 reg;
 	struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);
 
 	/* restore any previous reference clock settings */
@@ -295,7 +295,7 @@ exynos5_usbdrd_pipe3_set_refclk(struct phy_usb_instance *inst)
 static unsigned int
 exynos5_usbdrd_utmi_set_refclk(struct phy_usb_instance *inst)
 {
-	static u32 reg;
+	u32 reg;
 	struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);
 
 	/* restore any previous reference clock settings */