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/turris_omnia_defconfig b/configs/turris_omnia_defconfig
index a508758..c3ab35e 100644
--- a/configs/turris_omnia_defconfig
+++ b/configs/turris_omnia_defconfig
@@ -41,6 +41,8 @@
CONFIG_SPL_MAX_SIZE=0x22fd0
CONFIG_SPL_BSS_MAX_SIZE=0x4000
CONFIG_SPL_BOARD_INIT=y
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK=0x4002c000
CONFIG_SPL_ENV_SUPPORT=y
CONFIG_SPL_I2C=y
CONFIG_SYS_MAXARGS=32