colibri_vf: cleanup USB clock initialization

Use the same preprocessor define to enable clocks as we use to
enable the driver. Make sure that the necessary PLL's are on
(they get enabled by boot ROM by default, so this is more for
completness).

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>

board/toradex/colibri_vf/colibri_vf.c

@@ -368,12 +368,18 @@ static void clock_init(void)
 	clrsetbits_le32(&ccm->ccgr10, CCM_REG_CTRL_MASK,
 			CCM_CCGR10_NFC_CTRL_MASK);
 
-#ifdef CONFIG_CI_UDC
+#ifdef CONFIG_USB_EHCI_VF
 	setbits_le32(&ccm->ccgr1, CCM_CCGR1_USBC0_CTRL_MASK);
-#endif
-
-#ifdef CONFIG_USB_EHCI
 	setbits_le32(&ccm->ccgr7, CCM_CCGR7_USBC1_CTRL_MASK);
+
+	clrsetbits_le32(&anadig->pll3_ctrl, ANADIG_PLL3_CTRL_BYPASS |
+			ANADIG_PLL3_CTRL_POWERDOWN |
+			ANADIG_PLL3_CTRL_DIV_SELECT,
+			ANADIG_PLL3_CTRL_ENABLE);
+	clrsetbits_le32(&anadig->pll7_ctrl, ANADIG_PLL7_CTRL_BYPASS |
+			ANADIG_PLL7_CTRL_POWERDOWN |
+			ANADIG_PLL7_CTRL_DIV_SELECT,
+			ANADIG_PLL7_CTRL_ENABLE);
 #endif
 
 	clrsetbits_le32(&anadig->pll5_ctrl, ANADIG_PLL5_CTRL_BYPASS |