Rename PLL

Now we have multiple PLLs it makes no sense to call it pll_ecp5_evn.

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>

pll/pll_ehxplll.v

@@ -1,4 +1,4 @@
-module pll_ecp5_evn(input clki, output clko, output lock);
+module pll(input clki, output clko, output lock);
     (* ICP_CURRENT="12" *) (* LPF_RESISTOR="8" *) (* MFG_ENABLE_FILTEROPAMP="1" *) (* MFG_GMCREF_SEL="2" *)
     EHXPLLL #(
         .PLLRST_ENA("DISABLED"),

pll/pll_mmcme2.v

@@ -1,4 +1,4 @@
-module pll_ecp5_evn(input clki, output clko, output lock);
+module pll(input clki, output clko, output lock);
 
 wire clkfb;
 

toplevel.v

@@ -14,7 +14,7 @@ wire clock_out;
 reg reset_out;
 wire lock;
 
-pll_ecp5_evn pll(
+pll chiselwatt_pll(
 	.clki(clock),
 	.clko(clock_out),
 	.lock(lock)