add 5 seconds sleep in socket_client.c when report Temperature

Guo Wenxue

2018-10-25 0bed6c0c87cef46d7e4b0d933cfcc8a10d39a81b

tools/rpi_crosstool.tar.bz2 does not exist in tree d407ac0b3e2ce3e463bdd7cc4834417cbfe96f0f