erofs: enable big pcluster feature

Enable COMPR_CFGS and BIG_PCLUSTER since the implementations are
all settled properly.

Link: https://lore.kernel.org/r/20210407043927.10623-11-xiang@kernel.orgAcked-by: NChao Yu <yuchao0@huawei.com>
Signed-off-by: NGao Xiang <hsiangkao@redhat.com>

fs/erofs/erofs_fs.h

@@ -20,7 +20,10 @@
 #define EROFS_FEATURE_INCOMPAT_LZ4_0PADDING	0x00000001
 #define EROFS_FEATURE_INCOMPAT_COMPR_CFGS	0x00000002
 #define EROFS_FEATURE_INCOMPAT_BIG_PCLUSTER	0x00000002
-#define EROFS_ALL_FEATURE_INCOMPAT		EROFS_FEATURE_INCOMPAT_LZ4_0PADDING
+#define EROFS_ALL_FEATURE_INCOMPAT		\
+	(EROFS_FEATURE_INCOMPAT_LZ4_0PADDING | \
+	 EROFS_FEATURE_INCOMPAT_COMPR_CFGS | \
+	 EROFS_FEATURE_INCOMPAT_BIG_PCLUSTER)
 
 #define EROFS_SB_EXTSLOT_SIZE	16