Update rocket-chip to fix rom generation

fpga-shells

@@ -1 +1 @@
-Subproject commit 5bcc4e82fdc65bcd25c92e4f11a9c8421bacdea8
+Subproject commit 79b53cf2ae2478f20ef9716ed0b63444ee7e48d3

rocket-chip

@@ -1 +1 @@
-Subproject commit 4ba8acb4aa26901899963136704d065a22e36460
+Subproject commit 6df42fc36078d6ff60c1610b6fb89b24d668f134

src/main/scala/unleashed/u500ml507devkit/FPGAChip.scala

@@ -55,9 +55,10 @@ class U500ML507DevKitFPGAChip(implicit override val p: Parameters)
 
     GPIOPinsFromPort(gpio_pins, dut.gpio(0))
 
-    gpio_pins.pins.foreach { _.i.ival := Bool(false) }
     gpio_pins.pins.zipWithIndex.foreach {
-      case(pin, idx) => led(idx) := pin.o.oval
+      case(pin, idx) =>
+        pin.i.ival := dip(idx)
+        led(idx) := pin.o.oval
     }
   }