package/lxc: fix typo of toolchain in config.in

BR2_TOOLCHAN_USES_UCLIBC -> BR2_TOOLCHAIN_USES_UCLIBC

Signed-off-by: Christian Stewart <christian@paral.in>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 71ce29eff3b1717904decb995b70a25555adef2b)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/lxc/Config.in

@@ -21,4 +21,4 @@ comment "lxc needs a glibc or musl toolchain w/ threads, headers >= 3.0, dynamic
 		|| !BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 \
 		|| !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 \
 		|| BR2_STATIC_LIBS \
-		|| BR2_TOOLCHAN_USES_UCLIBC
+		|| BR2_TOOLCHAIN_USES_UCLIBC