Merge pull request #4045 from ashnaaseth2325-oss/fix/apb-uart-rx-threshold

fix: APB_UART RX FIFO threshold uses wrong register

Author: maliberty

flow/designs/src/chameleon/IPs/APB_UART.v

@@ -142,7 +142,7 @@ module APB_UART(
                                                         32'hDEADDEAD;
 
     wire tx_less_threshold = (tx_level < TXFIFOTR);
-    wire rx_more_threshold = (rx_level > TXFIFOTR);
+    wire rx_more_threshold = (rx_level > RXFIFOTR);
 
 
     assign uart_irq = IMASK[0] & (  (~rx_empty & IMASK[2])  |