wl12xx: Use a dedicated fw for PLT

A special PLT firmware is used for calibration.

Add multiple fw support by introducing a new fw_type member,
representing the currently saved fw (the actual fw state
can be determined by wl->state).

Signed-off-by: Gery Kahn <geryk@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/spi.c b/drivers/net/wireless/wl12xx/spi.c
index 92caa7c..5c2d4a0 100644
--- a/drivers/net/wireless/wl12xx/spi.c
+++ b/drivers/net/wireless/wl12xx/spi.c
@@ -435,4 +435,6 @@
 MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");
 MODULE_FIRMWARE(WL127X_FW_NAME);
 MODULE_FIRMWARE(WL128X_FW_NAME);
+MODULE_FIRMWARE(WL127X_PLT_FW_NAME);
+MODULE_FIRMWARE(WL128X_PLT_FW_NAME);
 MODULE_ALIAS("spi:wl1271");