added testbench files

vhdl/rtl/vhdl/DDR/DDR_CTRL.vhd

@@ -56,7 +56,7 @@ ENTITY DDR_CTRL IS
         fb_size0        : IN STD_LOGIC;
         fb_size1        : IN STD_LOGIC;
         fb_ale          : IN STD_LOGIC;
-        fb_wr_n          : IN STD_LOGIC;
+        fb_wr_n         : IN STD_LOGIC;
         fifo_clr        : IN STD_LOGIC;
         video_control_register   : IN UNSIGNED (15 DOWNTO 0);
         blitter_adr     : IN UNSIGNED (31 DOWNTO 0);

vhdl/rtl/vhdl/Firebee/Firebee.vhd

@@ -102,8 +102,10 @@ ENTITY firebee IS
 
         clk_24m576          : OUT STD_LOGIC;            -- 
         clk_25m             : OUT STD_LOGIC;
+        
         clk_ddr_out         : OUT STD_LOGIC;
         clk_ddr_out_n       : OUT STD_LOGIC;
+        
         clk_usb             : OUT STD_LOGIC;
 
         fb_ad               : INOUT STD_LOGIC_VECTOR (31 DOWNTO 0);