common: Drop board_show_dram()

This function is not defined by any boards so the feature is not used.
Drop it.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Reviewed-by: NTom Rini <trini@konsulko.com>

cmd/mem.c

@@ -1212,16 +1212,11 @@ U_BOOT_CMD(
 #endif
 
 #ifdef CONFIG_CMD_MEMINFO
-__weak void board_show_dram(phys_size_t size)
-{
-	puts("DRAM:  ");
-	print_size(size, "\n");
-}
-
 static int do_mem_info(cmd_tbl_t *cmdtp, int flag, int argc,
 		       char * const argv[])
 {
-	board_show_dram(gd->ram_size);
+	puts("DRAM:  ");
+	print_size(gd->ram_size, "\n");
 
 	return 0;
 }

include/common.h

@@ -73,15 +73,6 @@ extern u8 __dtb_dt_begin[];	/* embedded device tree blob */
 extern u8 __dtb_dt_spl_begin[];	/* embedded device tree blob for SPL/TPL */
 int mdm_init(void);
 
-/**
- * Show the DRAM size in a board-specific way
- *
- * This is used by boards to display DRAM information in their own way.
- *
- * @param size	Size of DRAM (which should be displayed along with other info)
- */
-void board_show_dram(phys_size_t size);
-
 /**
  * Get the uppermost pointer that is valid to access
  *