Convert CONFIG_SPL_STACK to Kconfig
This converts the following to Kconfig:
CONFIG_SPL_STACK
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/openpiton_riscv64_spl_defconfig b/configs/openpiton_riscv64_spl_defconfig
index 8d2dded..e041de4 100644
--- a/configs/openpiton_riscv64_spl_defconfig
+++ b/configs/openpiton_riscv64_spl_defconfig
@@ -25,6 +25,8 @@
CONFIG_SPL_MAX_SIZE=0x100000
# CONFIG_SPL_LEGACY_IMAGE_FORMAT is not set
CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK=0x83fffe80
# CONFIG_SPL_BANNER_PRINT is not set
CONFIG_SPL_CPU=y
CONFIG_SPL_FS_EXT4=y