asus/f2a85-m/devicetree.cb: Correctly align option

Correctly align option (whitespace off-by-one).

Change-Id: I606861c5a9f748a17965b75c6d9a8e0f5e4262ce
Signed-off-by: Tobias Diedrich <ranma+coreboot@tdiedrich.de>
Reviewed-on: http://review.coreboot.org/7382
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
1 file changed