flashchips: Add MX25L6473F

Just another chip sharing the same ID. Tested by somebody on IRC.

Change-Id: Ibea956e48e10fda91930b65b3bf3b3ae4ad13f63
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/22759
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
1 file changed