iio: sca3000: Fix a typo

All #define are about SCA3000_... except the last one.
Make it consistent.

s/SAC3000/SCA3000/

This #define is apparently unused up to now.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/accel/sca3000.c

@@ -111,7 +111,7 @@
 /* Currently unsupported */
 #define SCA3000_MD_CTRL_AND_Y				BIT(3)
 #define SCA3000_MD_CTRL_AND_X				BIT(4)
-#define SAC3000_MD_CTRL_AND_Z				BIT(5)
+#define SCA3000_MD_CTRL_AND_Z				BIT(5)
 
 /*
  * Some control registers of complex access methods requiring this register to