Correct vssa->vssd typo

- corrected the caravel GL netlist by hand
diff --git a/verilog/gl/caravel.v b/verilog/gl/caravel.v
index 12c5649..d8c68f1 100644
--- a/verilog/gl/caravel.v
+++ b/verilog/gl/caravel.v
@@ -3585,7 +3585,7 @@
     .X(rstb_l)
   );
   mgmt_core soc (
-    .VGND(vssa),
+    .VGND(vssd),
     .VPWR(vccd),
     .clock(clock_core),
     .core_clk(caravel_clk),
diff --git a/verilog/rtl/caravel.v b/verilog/rtl/caravel.v
index c499b54..ea844ca 100644
--- a/verilog/rtl/caravel.v
+++ b/verilog/rtl/caravel.v
@@ -387,7 +387,7 @@
     mgmt_core soc (
 	`ifdef USE_POWER_PINS
 		.VPWR(vccd),
-		.VGND(vssa),
+		.VGND(vssd),
 	`endif
 		// GPIO (1 pin)
 		.gpio_out_pad(gpio_out_core),
diff --git a/verilog/rtl/manifest b/verilog/rtl/manifest
index e6c5cca..9d98a2c 100644
--- a/verilog/rtl/manifest
+++ b/verilog/rtl/manifest
@@ -1,5 +1,5 @@
 b2feeb2a098894d5d731a5b011858a471e855d73  caravel_clocking.v
-6d7d0f129f9c0883d85bfa742a5ef3a113268301  caravel.v
+8bcc687573c5a210832e3ebf9bd6d1e741bf3c79  caravel.v
 1b9ce3f6b401023bb0beab3c41cae3549c77026d  chip_io.v
 d772308bd2a72121d7ed9dcdd40c8e6cbbe4b43c  clock_div.v
 f937b52e53d45bdbe41bcbd07c65b41104c21756  convert_gpio_sigs.v