can-utils: fix musl build

Include additional headers like <sys/time.h> and <linux/sockios.h>
to resolve undefined symbols.

Fixes following autobuild failure:
http://autobuild.buildroot.net/results/0dd/0ddb5a70358bdbb491fbee670c7843c15217e78d/



Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>