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/polaroid_mid2809pxe04_defconfig b/configs/polaroid_mid2809pxe04_defconfig
index 5953344..10057ad 100644
--- a/configs/polaroid_mid2809pxe04_defconfig
+++ b/configs/polaroid_mid2809pxe04_defconfig
@@ -16,6 +16,7 @@
CONFIG_VIDEO_LCD_BL_EN="PH6"
CONFIG_VIDEO_LCD_BL_PWM="PH0"
# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL_STACK=0x8000
CONFIG_SYS_PBSIZE=1024
CONFIG_AXP_DLDO1_VOLT=3300
CONFIG_CONS_INDEX=5