USB: ehci-omap: fix Si version related programming

AM3517 is based on ES3.1 thus ES2.x related programming is invalid
for it so updating ES2.x programming.

Also fixed below checkpatch warning:
WARNING: unnecessary whitespace before a quoted newline
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/ehci-omap.c

@@ -352,8 +352,8 @@ static int omap_start_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd)
 		reg &= ~OMAP_UHH_HOSTCONFIG_P3_CONNECT_STATUS;
 
 	/* Bypass the TLL module for PHY mode operation */
-	 if (omap_rev() <= OMAP3430_REV_ES2_1) {
-		dev_dbg(omap->dev, "OMAP3 ES version <= ES2.1 \n");
+	if (cpu_is_omap3430() && (omap_rev() <= OMAP3430_REV_ES2_1)) {
+		dev_dbg(omap->dev, "OMAP3 ES version <= ES2.1\n");
 		if ((omap->port_mode[0] == EHCI_HCD_OMAP_MODE_PHY) ||
 			(omap->port_mode[1] == EHCI_HCD_OMAP_MODE_PHY) ||
 				(omap->port_mode[2] == EHCI_HCD_OMAP_MODE_PHY))