!1407 [openEuler-23.09] loongarch/configs: Fix unknown filesystem type gfs2

Merge Pull Request from: @fanhuimeng 
 
 
 
Link:https://gitee.com/openeuler/kernel/pulls/1407 

Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com> 
Reviewed-by: Wei Li <liwei391@huawei.com> 
Signed-off-by: Wei Li <liwei391@huawei.com> 

arch/loongarch/configs/loongson3_defconfig

@@ -809,6 +809,7 @@ CONFIG_NFSD_V4=y
 CONFIG_NFSD_BLOCKLAYOUT=y
 CONFIG_CIFS=m
 # CONFIG_CIFS_DEBUG is not set
+CONFIG_GFS2_FS=m
 CONFIG_9P_FS=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_CODEPAGE_936=y