toolchain: do not allow locale generation when locale support is not available

When the C library being used is uClibc, the locale support can be
disabled. In this case, it does not make sense to show the "Generate
locales" option.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

toolchain/toolchain-common.in

@@ -69,7 +69,7 @@ config BR2_GENERATE_LOCALE
 	string "Generate locale data"
 	default ""
 	depends on \
-		BR2_TOOLCHAIN_BUILDROOT_UCLIBC || \
+		(BR2_TOOLCHAIN_BUILDROOT_UCLIBC && BR2_ENABLE_LOCALE) || \
 		BR2_TOOLCHAIN_USES_GLIBC
 	help
 	  Generate support for a list of locales. Locales can be