riscv: Modify generic codes to support RISC-V

Support common commands bdinfo and image format,
also modify common generic flow for RISC-V.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/common/board_r.c b/common/board_r.c
index 09167c1..2a9df6b 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -126,7 +126,7 @@
 {
 #ifdef __ARM__
 	monitor_flash_len = _end - __image_copy_start;
-#elif defined(CONFIG_NDS32)
+#elif defined(CONFIG_NDS32) || defined(CONFIG_RISCV)
 	monitor_flash_len = (ulong)&_end - (ulong)&_start;
 #elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2)
 	monitor_flash_len = (ulong)&__init_end - gd->relocaddr;
@@ -704,7 +704,7 @@
 #ifdef CONFIG_DM
 	initr_dm,
 #endif
-#if defined(CONFIG_ARM) || defined(CONFIG_NDS32)
+#if defined(CONFIG_ARM) || defined(CONFIG_NDS32) || defined(CONFIG_RISCV)
 	board_init,	/* Setup chipselects */
 #endif
 	/*