OMAP: hwmod: Fix the missing braces

As reported by Sergei, a couple of braces were missing after
the WARN removal patch.

[07/22] OMAP: hwmod: Replace WARN by pr_warning if clock lookup failed

https://patchwork.kernel.org/patch/100756/



Signed-off-by: Benoit Cousson <b-cousson@ti.com>
[paul@pwsan.com: fixed patch description per Anand's E-mail]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: Anand Gadiyar <gadiyar@ti.com>