proper card powerup handling

Now that the timers work as intended other voltages (that lead to
timeouts) may be used.

Change-Id: I6105ce7f827aaec8ac36b940766fe05d47145edb
diff --git a/ccid_common/cuart.h b/ccid_common/cuart.h
index 1df0c49..6f8ba70 100644
--- a/ccid_common/cuart.h
+++ b/ccid_common/cuart.h
@@ -25,7 +25,9 @@
 	CUART_CTL_RX,		/* enable/disable receiver */
 	CUART_CTL_RX_TIMER_HINT, /* tell cuart approximate number of rx bytes */
 	CUART_CTL_NO_RXTX,		/* enable/disable receiver */
-	CUART_CTL_POWER,	/* enable/disable ICC power */
+	CUART_CTL_POWER_5V0,
+	CUART_CTL_POWER_3V0,
+	CUART_CTL_POWER_1V8,
 	CUART_CTL_CLOCK,	/* enable/disable ICC clock */
 	CUART_CTL_SET_CLOCK_FREQ, /* set ICC clock frequency (hz)*/
 	CUART_CTL_RST,		/* enable/disable ICC reset */