[SeaBIOS] [PATCH] coreboot: Check for unaligned cbfs header

[Kevin O'Connor]

On Tue, Jan 12, 2016 at 01:40:18PM -0500, Kevin O'Connor wrote:
> If the CBFS header is invalid and points to 0xffffffff it could cause
> SeaBIOS to read past the 4GB boundary and cause an exception.  Check
> the alignment of the header pointer before attempting to access fields
> within the header.

FYI, I committed this change.

-Kevin