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/sama5d2_xplained_emmc_defconfig b/configs/sama5d2_xplained_emmc_defconfig
index 3865c66..f80fca2 100644
--- a/configs/sama5d2_xplained_emmc_defconfig
+++ b/configs/sama5d2_xplained_emmc_defconfig
@@ -35,6 +35,8 @@
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_SPL_MAX_SIZE=0x10000
CONFIG_SPL_BSS_MAX_SIZE=0x80000
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK=0x218000
CONFIG_HUSH_PARSER=y
CONFIG_SYS_CBSIZE=256
CONFIG_SYS_PBSIZE=276