board_f: Drop board_type parameter from initdram()

It looks like only cm5200 and tqm8xx use this feature, so we don't really
need it in generic code. Drop it and have the users access gd->board_type
directly.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>

include/common.h

@@ -209,7 +209,7 @@ int	timer_init(void);
 int	cpu_init(void);
 
 /* */
-phys_size_t initdram (int);
+phys_size_t initdram(void);
 
 #include <display_options.h>