Convert LIB_UUID to Kconfig

config_fallback.h has some logic that checks a variety of options
and selects LIB_UUID if it hasn't already been selected.  This
will all LIB_UUID in Kconfig and select this option for the list
of options to allow us to remove the logic from fallbacks

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/disk/Kconfig b/disk/Kconfig
index 0446bb6..f3050cf 100644
--- a/disk/Kconfig
+++ b/disk/Kconfig
@@ -72,6 +72,7 @@
 	depends on PARTITIONS
 	default y if DISTRO_DEFAULTS
 	default y if TEGRA
+	select LIB_UUID
 	help
 	  Say Y here if you would like to use device under U-Boot which
 	  were partitioned using EFI GPT.
@@ -115,6 +116,7 @@
 	depends on PARTITIONS
 	default y if DISTRO_DEFAULTS
 	default y if EFI_PARTITION
+	select LIB_UUID
 	help
 	  Activate the configuration of UUID for partition