feat(QEMU_ARM_VIRT_CA7): 使能FAT文件系统编译选项

Signed-off-by: Nlaokz <laokz@foxmail.com>
Change-Id: I0eece39921292498243bd017f168f953a437731c

tools/build/config/qemu_arm_virt_debug_shell.config

@@ -2,7 +2,10 @@ LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7=y
 LOSCFG_BOARD_CONFIG_PATH="device/qemu/arm_virt/liteos_a/config/board"
 # LOSCFG_HRTIMER_ENABLE is not set
 # LOSCFG_KERNEL_CPPSUPPORT is not set
-# LOSCFG_FS_FAT is not set
+LOSCFG_FS_FAT=y
+LOSCFG_FS_FAT_DISK=y
+LOSCFG_FS_FAT_VIRTUAL_PARTITION=y
+LOSCFG_FS_VFS_BLOCK_DEVICE=y
 LOSCFG_ENABLE_MAGICKEY=y
 LOSCFG_DEBUG_VERSION=y
 # LOSCFG_SHELL_LK is not set