mfd: arizona: Lower ARIZONA_MAX_CORE_SUPPLIES to 2

There are no Arizona devices with 3 core supplies but we define a fix
array with space for 3 core supplies. Lower the ARIZONA_MAX_CORE_SUPPLIES
define to 2, to save a few bytes.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

include/linux/mfd/arizona/core.h

@@ -18,7 +18,7 @@
 #include <linux/regulator/consumer.h>
 #include <linux/mfd/arizona/pdata.h>
 
-#define ARIZONA_MAX_CORE_SUPPLIES 3
+#define ARIZONA_MAX_CORE_SUPPLIES 2
 
 enum arizona_type {
 	WM5102 = 1,