add another assert

Author: kilograham

src/rp2_common/hardware_pio/include/hardware/pio.h

@@ -214,6 +214,7 @@ static_assert(DREQ_PIO0_TX1 == DREQ_PIO0_TX0 + 1, "");
 static_assert(DREQ_PIO0_TX2 == DREQ_PIO0_TX0 + 2, "");
 static_assert(DREQ_PIO0_TX3 == DREQ_PIO0_TX0 + 3, "");
 static_assert(DREQ_PIO0_RX0 == DREQ_PIO0_TX0 + NUM_PIO_STATE_MACHINES, "");
+static_assert(DREQ_PIO1_TX0 == DREQ_PIO0_RX0 + NUM_PIO_STATE_MACHINES, "");
 static_assert(DREQ_PIO1_RX0 == DREQ_PIO1_TX0 + NUM_PIO_STATE_MACHINES, "");
 #if NUM_PIOS > 2
 static_assert(DREQ_PIO2_TX0 == DREQ_PIO1_RX0 + NUM_PIO_STATE_MACHINES, "");