Convert CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR et al to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR
   CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/display5_factory_defconfig b/configs/display5_factory_defconfig
index 2451228..e2f35a9 100644
--- a/configs/display5_factory_defconfig
+++ b/configs/display5_factory_defconfig
@@ -42,6 +42,8 @@
 CONFIG_SYS_SPL_ARGS_ADDR=0x18000000
 CONFIG_SPL_FALCON_BOOT_MMCSD=y
 CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR=0x100
+CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR=0x3F00
+CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS=0x10
 CONFIG_SPL_SPI_LOAD=y
 CONFIG_SYS_SPI_U_BOOT_OFFS=0x20000
 CONFIG_SPL_USB_HOST=y