riscv: use imply instead of select for SPL_SEPARATE_BSS

Use imply instead of select, then it can still be disabled by
board-specific defconfig, or be set to n manually.

Signed-off-by: Zong Li <zong.li@sifive.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>

diff --git a/arch/Kconfig b/arch/Kconfig
index ae39716..102956d 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -111,7 +111,7 @@ config RISCV
        select SUPPORT_OF_CONTROL
        select OF_CONTROL
        select DM
-       select SPL_SEPARATE_BSS if SPL
+       imply SPL_SEPARATE_BSS if SPL
        imply DM_SERIAL
        imply DM_ETH
        imply DM_EVENT