iotivity: fix invalid setting in ProtectedLibs.mk
iotivity: fix invalid setting in ProtectedLibs.mk

This patch fixes the invalid setting, which is related to
libtizenrt_compat, in ProtectedLibs.mk.

All iotivity libraries should be set to USERLIBS in ProtectedLibs.mk.

Change-Id: I216b4d28cb45fa2ea988681a760075cee6dbc5df
Signed-off-by: Wonsang Ryou <bc48fb2bc21aa3a9d3ccd13729d9fc0f5ca913dd@samsung.com>

JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT