OMAP2430 does not have USB EHCI controller.
EHCI core was introduced with OMAP3430 ES2.0 onwards.
The ehci_init() call has been wrongly introduced for OMAP2430, so removing it.
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>