[coreboot] Patch merged into coreboot/master: 05f4b03 Use -mno-sse to prevent overzealous gcc optimizations

the following patch was just integrated into master:
commit 05f4b03fb64999ba373fe61256f358e5371bf8ae
Author: Stefan Reinauer 
Date:   Thu Jun 23 17:12:08 2011 -0700

Use -mno-sse to prevent overzealous gcc optimizations

The offending part that made coreboot crash with some toolchains
    was that gcc emits SSE instructions but coreboot did not enable SSE at
    that point.

Since the gain for coreboot using SSE instructions is not measurable,
    let's not use SSE instructions rather than enabling SSE early on.
    One rationale behind this is that other parts of coreboot, like the
    SMM handler would need fixing because the XMM registers are not saved
    on SMM entry. Thus keep it simple.

Change-Id: I14f0942f300085767ece44cec570fb15c761e88d
    Signed-off-by: Stefan Reinauer

Reviewed-By: Patrick Georgi  at Sat Mar  3 09:15:10 2012, giving +2
See http://review.coreboot.org/694 for details.

-gerrit