Allow power consumption to be set per-keyboard.

keyboards/ergodox/ez/config.h

@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCE    5
 
+#define USB_MAX_POWER_CONSUMPTION 50
+
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.