qcacld-3.0: Fix compilation error without WLAN_FEATURE_ROAM_OFFLOAD
eWNI_SME_HO_FAIL_IND is defined under WLAN_FEATURE_ROAM_OFFLOAD, but
it is used out of WLAN_FEATURE_ROAM_OFFLOAD, it will cause compilation
error. Add fix to resolve this issue.
Change-Id: I7dda8806ecadc4dd8c8c1d7f14cc7bc21bdc2bf7
CRs-Fixed: 2023694