iwinfo: add device id for Marvell 88W8997 SDIO wifi card

Lets add device id for Marvell 88W8997 SDIO wifi card.

Signed-off-by: Pali Rohár <pali@kernel.org>
[added missing commit description]
Signed-off-by: Petr Štetiar <ynezz@true.cz>

hardware.txt

@@ -175,6 +175,7 @@
 0x11ab 0x2a55 0x11ab 0x0000    0      0  "Marvell"  "88W8864"
 0x02df 0x9135 0x0000 0x0000    0      0  "Marvell"  "88W8887"
 0x11ab 0x2b40 0x11ab 0x0000    0      0  "Marvell"  "88W8964"
+0x02df 0x9141 0x0000 0x0000    0      0  "Marvell"  "88W8997"
 0x14c3 0x7603 0x14c3 0x7603    0      0  "MediaTek" "MT7603E"
 0x14c3 0x7610 0x14c3 0x7610    0      0  "MediaTek" "MT7610E"
 0x14c3 0x7612 0x14c3 0x7612    0      0  "MediaTek" "MT7612E"