gc_extend_pulse: save some resources, don't need to use fixed size 32-bit counter

modules/common/gc_extend_pulse.vhd

@@ -46,6 +46,7 @@ use ieee.NUMERIC_STD.all;
 
 library work;
 use work.gencores_pkg.all;
+use work.genram_pkg.all;
 
 entity gc_extend_pulse is
   
@@ -64,7 +65,7 @@ end gc_extend_pulse;
 
 architecture rtl of gc_extend_pulse is
 
-  signal cntr : unsigned(31 downto 0);
+  signal cntr : unsigned(f_log2_size(g_width)-1 downto 0);
   signal extended_int : std_logic;
   
 begin  -- rtl