nvram: remove libnvram.so, it is unused and incompatible to the broadcom API anyway

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43698 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain: do not include libatomic.so in the libc package

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43699 3c298f89-4303-0410-b956-a3cf2f4a3e73