[coreboot] amd sb800 wrapper compile warning fix

[She, Kerry]

Hello,

This patch fix a AMD sb800 wrapper compile warning:

src/southbridge/amd/cimx_wrapper/sb800/late

call clear_ioapic but not include the prototype declare header file.

and remove some trivial blanks.

Signed-off-by Kerry She

Regards, 
Kerry She < [e-mail]>
Tel:  [phone] 
Mobile:  86 - 152 1018 2083