spl: Convert CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR to Kconfig

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
[trini: Fix sniper and kc1 migration]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/clearfog_defconfig b/configs/clearfog_defconfig
index 0891b91..d06b75c 100644
--- a/configs/clearfog_defconfig
+++ b/configs/clearfog_defconfig
@@ -13,6 +13,7 @@
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SPL=y
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x141
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set