fix a typo that broke the orienation sensor

all angles, yaw, pitch and roll weer scaled by 1/16

Change-Id: Ifceab0249bfb0917bc8e89d4050134d6c3d9153f
diff --git a/libsensors/nusensors.h b/libsensors/nusensors.h
index 28e71ea..f1de58d 100644
--- a/libsensors/nusensors.h
+++ b/libsensors/nusensors.h
@@ -95,9 +95,9 @@
 #define CONVERT_M_Z                 (CONVERT_M)
 
 #define CONVERT_O                   (1.0f)
-#define CONVERT_O_Y                 (CONVERT_M)
-#define CONVERT_O_P                 (CONVERT_M)
-#define CONVERT_O_R                 (-CONVERT_M)
+#define CONVERT_O_Y                 (CONVERT_O)
+#define CONVERT_O_P                 (CONVERT_O)
+#define CONVERT_O_R                 (-CONVERT_O)
 
 #define SENSOR_STATE_MASK           (0x7FFF)