riscv: Enable SPI flash env for SiFive Unmatched.
Enable saving environment to SPI flash memory on SiFive
Unmatched.
Signed-off-by: Thomas Skibo <thomas-git@skibo.net>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/board/sifive/unmatched/Kconfig b/board/sifive/unmatched/Kconfig
index fb2c1fb..fe213fd 100644
--- a/board/sifive/unmatched/Kconfig
+++ b/board/sifive/unmatched/Kconfig
@@ -26,6 +26,7 @@
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select SIFIVE_FU740
+ select ENV_IS_IN_SPI_FLASH
select SUPPORT_SPL
select RESET_SIFIVE
select BINMAN