chore(leds): Fix a compiler warning

epicardium/drivers/leds.c

@@ -175,7 +175,7 @@ void epic_leds_set_powersave(bool eco)
 	hwlock_release(HWLOCK_I2C);
 }
 
-void epic_leds_set_gamma_table(uint8_t rgb_channel, uint8_t gamma_table[256])
+void epic_leds_set_gamma_table(uint8_t rgb_channel, uint8_t *gamma_table)
 {
 	leds_set_gamma_table(rgb_channel, gamma_table);
 }