uClibc: unbreak ld-uClibc on non-64bit platforms

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

git-svn-id: svn://svn.openwrt.org/openwrt@36239 3c298f89-4303-0410-b956-a3cf2f4a3e73
gcc: remove the bogus CONFIG_TLS_SUPPORT symbol - TLS support is required by libc.

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

git-svn-id: svn://svn.openwrt.org/openwrt@36240 3c298f89-4303-0410-b956-a3cf2f4a3e73