[POWERPC] windfarm: Add PowerMac 12,1 support

This implements a new driver named windfarm_pm121, which drives the
fans on PowerMac 12,1 machines : iMac G5 iSight (rev C) 17" and
20".  It's based on the windfarm_pm81 driver from Benjamin
Herrenschmidt.

This includes fixes from David Woodhouse correcting the names of some
of the sensors.

Signed-off-by: Étienne Bersac <bersace@gmail.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/macintosh/windfarm_lm75_sensor.c b/drivers/macintosh/windfarm_lm75_sensor.c
index 7e10c3a..b92b959 100644
--- a/drivers/macintosh/windfarm_lm75_sensor.c
+++ b/drivers/macintosh/windfarm_lm75_sensor.c
@@ -127,6 +127,12 @@
 	 */
 	if (!strcmp(loc, "Hard drive") || !strcmp(loc, "DRIVE BAY"))
 		lm->sens.name = "hd-temp";
+	else if (!strcmp(loc, "Incoming Air Temp"))
+		lm->sens.name = "incoming-air-temp";
+	else if (!strcmp(loc, "ODD Temp"))
+		lm->sens.name = "optical-drive-temp";
+	else if (!strcmp(loc, "HD Temp"))
+		lm->sens.name = "hard-drive-temp";
 	else
 		goto fail;