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/drivers/core/Kconfig b/drivers/core/Kconfig
index d618e16..9ae188c 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -325,6 +325,7 @@
 config ACPIGEN
 	bool "Support ACPI table generation in driver model"
 	default y if SANDBOX || (GENERATE_ACPI_TABLE && !QEMU)
+	select LIB_UUID
 	help
 	  This option enables generation of ACPI tables using driver-model
 	  devices. It adds a new operation struct to each driver, to support
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