configs: visionfive2: re-enable SPL_SYS_MMCSD_RAW_MODE

To restore MMC boot, enable SPL_SYS_MMCSD_RAW_MODE and recover
SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION and
SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION.

Fixes: 2a00d73d081 ("spl: mmc: Try to clean up raw-mode options")
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/configs/starfive_visionfive2_defconfig b/configs/starfive_visionfive2_defconfig
index c350892..11e1332 100644
--- a/configs/starfive_visionfive2_defconfig
+++ b/configs/starfive_visionfive2_defconfig
@@ -55,6 +55,9 @@
 CONFIG_SPL_SYS_MALLOC=y
 CONFIG_SPL_HAS_CUSTOM_MALLOC_START=y
 CONFIG_SPL_CUSTOM_SYS_MALLOC_ADDR=0x80000000
+CONFIG_SPL_SYS_MMCSD_RAW_MODE=y
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION=y
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION=0x2
 CONFIG_SPL_SYS_MALLOC_SIZE=0x400000
 CONFIG_SPL_I2C=y
 CONFIG_SPL_DM_SPI_FLASH=y