Use LIB_UUID with ACPIGEN and FS_BTRFS

Since the ACPI-generation code makes use of UUIDs we typically need to
enabled UUID support for it to build. Add a new Kconfig condition.

Use it for BTRFS also.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig
index 2a32f42..a0b48c2 100644
--- a/fs/btrfs/Kconfig
+++ b/fs/btrfs/Kconfig
@@ -1,6 +1,7 @@
 config FS_BTRFS
 	bool "Enable BTRFS filesystem support"
 	select CRC32C
+	select LIB_UUID
 	select LZO
 	select ZSTD
 	select RBTREE