msm: ipa: Fix to validate the user inputs

Adding code changes to validate user inputs
if filter_index_list_len value is zero case.
Because of recent fix I989eed2e0 these changes
are required.

Change-Id: Ica1e8c4dde96d010b570abcaf85bac31345e8d0c
Acked-by: Ashok Vuyyuru <avuyyuru@qti.qualcomm.com>
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>