[U-Boot] [PATCH] musb: fix compilation warning

[Paulraj, Sandeep]

> 
> Fixes below compilation warning
> omap3.c: In function 'musb_platform_init':
> omap3.c:123: warning: implicit declaration of function
> 			'omap3_evm_need_extvbus'
> 
> CC: Remy Bohmer <linux at bohmer.net>
> Signed-off-by: Ajay Kumar Gupta <ajay.gupta at ti.com>
> ---
Remy,

If it OK with you I would like to add this to u-boot-ti.

The patch itself was in response to a compile issue which showed up when I ran MAKEALL

Regards,
Sandeep