asus/a8n-e/board_info.txt: Set ROM Protocol.

Change-Id: I65f2faee672d4d7dea50b67cf6426f503034b380
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4760
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
1 file changed