efi_loader: remove unused code from copy_fdt()

There is logic in the copy_fdt() function which is iterating over the
platform's DRAM banks and setting the fdt_ram_start variable. However,
this variable is not used subsequently in the function. Remove this
superfluous code.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/lib/efi_loader/efi_helper.c b/lib/efi_loader/efi_helper.c
index 04b2efc..15ad042 100644
--- a/lib/efi_loader/efi_helper.c
+++ b/lib/efi_loader/efi_helper.c
@@ -454,23 +454,11 @@
  */
 static efi_status_t copy_fdt(void **fdtp)
 {
-	unsigned long fdt_ram_start = -1L, fdt_pages;
+	unsigned long fdt_pages;
 	efi_status_t ret = 0;
 	void *fdt, *new_fdt;
 	u64 new_fdt_addr;
 	uint fdt_size;
-	int i;
-
-	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
-		u64 ram_start = gd->bd->bi_dram[i].start;
-		u64 ram_size = gd->bd->bi_dram[i].size;
-
-		if (!ram_size)
-			continue;
-
-		if (ram_start < fdt_ram_start)
-			fdt_ram_start = ram_start;
-	}
 
 	/*
 	 * Give us at least 12 KiB of breathing room in case the device tree