build: remove check to nonexistant CONFIG_ENABLE_LOCALE variable and move DISABLE_NLS to package-defaults.mk

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 39980

insight GDB version 6.8-1 sources have apparently changed.
The original file is no longer available upstream.

Signed-off-by: Daniel Golle <dgolle@allnet.de>

SVN-Revision: 32438

toolchain: fix the sysroot mess by getting rid of $(TOOLCHAIN_DIR)/usr and moving it back to $(TOOLCHAIN_DIR), this change makes the toolchain relocatable again, which should fix the SDK

SVN-Revision: 22723

SVN-Revision: 18217

SVN-Revision: 17019