Update config.h

keyboards/lets_split/keymaps/hexwire/config.h

@@ -21,6 +21,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define EE_HANDS
 
 #undef RGBLED_NUM
+#define RGB_DI_PIN B0
 #define RGBLIGHT_ANIMATIONS
 #define RGBLED_NUM 8
 #define RGBLIGHT_HUE_STEP 8