powerpc/windfarm: Add detection for second cpu pump

Windfarm SMU control is explicitly missing support for a second CPU pump in G5 PowerMacs. Such machines actually exist  (specifically Quads with a second pump), so this patch adds detection for it.

Signed-off by: Bolko Maass <bmaass@math.uni-bremen.de>
CC: <stable@kernel.org>

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

drivers/macintosh/windfarm_smu_controls.c

@@ -202,6 +202,8 @@ static struct smu_fan_control *smu_fan_create(struct device_node *node,
 		fct->ctrl.name = "cpu-front-fan-1";
 	else if (!strcmp(l, "CPU A PUMP"))
 		fct->ctrl.name = "cpu-pump-0";
+	else if (!strcmp(l, "CPU B PUMP"))
+		fct->ctrl.name = "cpu-pump-1";
 	else if (!strcmp(l, "Slots Fan") || !strcmp(l, "Slots fan") ||
 		 !strcmp(l, "EXPANSION SLOTS INTAKE"))
 		fct->ctrl.name = "slots-fan";