flashrom: Display test status in -L chip listing

flashrom: Display test status in -L chip listing

Looks like this:

Supported flash chips:          Tested OK operations:   Known BAD operations:

AMD Am29F002(N)BB
AMD Am29F002(N)BT               PROBE READ ERASE WRITE
AMD Am29F016D
AMD Am29F040B                   PROBE READ ERASE WRITE
AMD Am29LV040B
Atmel AT45CS1282                                        READ

Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3803 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1