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/plutux_defconfig b/configs/plutux_defconfig
index 95b2516..fe59c10 100644
--- a/configs/plutux_defconfig
+++ b/configs/plutux_defconfig
@@ -16,6 +16,8 @@
CONFIG_SYS_STDIO_DEREGISTER=y
CONFIG_SPL_FOOTPRINT_LIMIT=y
CONFIG_SPL_MAX_FOOTPRINT=0x8000
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK=0xffffc
CONFIG_SYS_PROMPT="Tegra20 (Plutux) # "
CONFIG_SYS_MAXARGS=64
CONFIG_SYS_PBSIZE=2084