enclustra_mercury_kx2: Comment user_led2/3 (Conflicting with DRAM pins).

litex_boards/platforms/enclustra_mercury_kx2.py

@@ -21,8 +21,8 @@ _io = [
     # Leds
     ("user_led", 0, Pins("U9"),  IOStandard("LVCMOS15")),
     ("user_led", 1, Pins("V12"), IOStandard("LVCMOS15")),
-    ("user_led", 2, Pins("V13"), IOStandard("LVCMOS15")),
-    ("user_led", 3, Pins("W13"), IOStandard("LVCMOS15")),
+    #("user_led", 2, Pins("V13"), IOStandard("LVCMOS15")),
+    #("user_led", 3, Pins("W13"), IOStandard("LVCMOS15")),
 
     # Serial
     ("serial", 0,

litex_boards/targets/enclustra_mercury_kx2.py

@@ -72,7 +72,7 @@ class BaseSoC(SoCCore):
 
         # Leds -------------------------------------------------------------------------------------
         self.submodules.leds = LedChaser(
-            pads         = Cat(*[platform.request("user_led", i) for i in range(4)]),
+            pads         = platform.request_all("user_led"),
             sys_clk_freq = sys_clk_freq)
 
 # Build --------------------------------------------------------------------------------------------