x86: Add a script to aid code conversion from coreboot

It is useful to automate the process of converting code from coreboot a
little. Add a sed script which performs some common transformations.

S

x86: Add a script to aid code conversion from coreboot

It is useful to automate the process of converting code from coreboot a
little. Add a sed script which performs some common transformations.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Bin Meng <bmeng.cn@gmail.com>

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