USB: ehci: omap: use default interrupt threshold

The current driver reduces the interrupt threshold to 1 microframe.
This was an accidental change and is not really required.
The default of 8 microframes will do just fine. So change it back.

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 24d3d52..bd8922a 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -651,10 +651,6 @@
 	/* cache this readonly data; minimize chip reads */
 	omap->ehci->hcs_params = readl(&omap->ehci->caps->hcs_params);
 
-	/* SET 1 micro-frame Interrupt interval */
-	writel(readl(&omap->ehci->regs->command) | (1 << 16),
-			&omap->ehci->regs->command);
-
 	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
 	if (ret) {
 		dev_dbg(&pdev->dev, "failed to add hcd with err %d\n", ret);