toolchain: Enable the internal toolchain for nios2

For now we can only support glibc.

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

toolchain/Config.in

@@ -43,7 +43,6 @@ choice
 
 config BR2_TOOLCHAIN_BUILDROOT
 	bool "Buildroot toolchain"
-	depends on !BR2_nios2
 	select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS
 
 config BR2_TOOLCHAIN_EXTERNAL

toolchain/toolchain-buildroot/Config.in

@@ -64,7 +64,7 @@ config BR2_TOOLCHAIN_BUILDROOT_GLIBC
 		   BR2_mips64      || BR2_mips64el || BR2_powerpc || \
 		   BR2_powerpc64   || BR2_powerpc64le || BR2_sh   || \
 		   BR2_sh64        || BR2_sparc    || BR2_x86_64  || \
-		   BR2_microblaze
+		   BR2_microblaze  || BR2_nios2
 	depends on BR2_USE_MMU
 	depends on !BR2_STATIC_LIBS
 	depends on !BR2_powerpc_SPE