If sqlite3 is built with FTS5 it uses log() from libm, but that linkage is lost
if we manually statically link so explicitly link to libm.
(From OE-Core rev: b24a67217d82f225e76fbc2dfb70dd8e1a6ea215)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
