OMAP2+: musb: hwmod adaptation for musb registration

Using omap_device_build API instead of platform_device_register for
OMAP2430,OMAP3xxx, OMAP4430 and AM35x musb device registration.
The device specific resources defined in centralized
database will be used.

Signed-off-by: Hema HK <hemahk@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Cousson, Benoit <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>