boost: disable parallel build to fix build errors

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

git-svn-id: svn://svn.openwrt.org/openwrt/packages@39918 3c298f89-4303-0410-b956-a3cf2f4a3e73
boost: disable mips16 support

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

git-svn-id: svn://svn.openwrt.org/openwrt/packages@39919 3c298f89-4303-0410-b956-a3cf2f4a3e73
wt: disable mips16 support

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

git-svn-id: svn://svn.openwrt.org/openwrt/packages@39920 3c298f89-4303-0410-b956-a3cf2f4a3e73