[U-Boot] universal_c210: fix compiler error and compiler warning

[Wolfgang Denk]

Dear Lukasz Majewski,

In message <20121210103224.372c572e at amdc308.digital.local> you wrote:
> 
> > This is unrelated to your patch - but what if pmic_get() returns NULL?
> > 
> > pmic_probe() will crashif you pass it a NULL pointer...
> 
> The PMIC 2.0 uses malloc to allocate pmic structure.

...and malloc() can fail.

> The fix, which has been proposed would work for old pmic.
> 
> In the new one PMIC 2.0, we require to test return pointer from
> pmic_get() (similar to all malloc allocations):
> 
> struct pmic *p = pmic_get("MAX8998_PMIC");
> if (!p)
> 	return -ENODEV;

So this code here needs fixing.  This is what I wanted to point out.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"If you want to eat hippopatomus, you've got to pay the  freight."  -
attributed to an IBM guy, about why IBM software uses so much memory