bdinfo: sh: Use the generic bd command

This arch has no code that is not already in the generic function. Drop
the arch-specific function and change sh over to use the generic one.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/cmd/bdinfo.c b/cmd/bdinfo.c
index 16e7ad0..65c6478 100644
--- a/cmd/bdinfo.c
+++ b/cmd/bdinfo.c
@@ -327,18 +327,7 @@
 
 #elif defined(CONFIG_SH)
 
-int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
-{
-	bd_t *bd = gd->bd;
-
-	print_bi_mem(bd);
-	print_bi_flash(bd);
-	print_eth_ip_addr();
-	print_baudrate();
-	print_cpu_word_size();
-
-	return 0;
-}
+#define USE_GENERIC
 
 #elif defined(CONFIG_X86)