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>

lib/Kconfig

@@ -18,6 +18,9 @@ config CC_OPTIMIZE_LIBS_FOR_SPEED
 config HAVE_PRIVATE_LIBGCC
 	bool
 
+config LIB_UUID
+	bool
+
 config USE_PRIVATE_LIBGCC
 	bool "Use private libgcc"
 	depends on HAVE_PRIVATE_LIBGCC

lib/efi_loader/Kconfig

@@ -6,6 +6,7 @@ config EFI_LOADER
 	# We need EFI_STUB_32BIT to be set on x86_32 with EFI_STUB
 	depends on !EFI_STUB || !X86 || X86_64 || EFI_STUB_32BIT
 	default y
+	select LIB_UUID
 	help
 	  Select this option if you want to run EFI applications (like grub2)
 	  on top of U-Boot. If this option is enabled, U-Boot will expose EFI