msm: ipa3: Fix to validate the user inputs

Miss to Validate user inputs for last entry while
sending the QMI message to modem. Adding code changes to
fix to validate user inputs for last entry.

Change-Id: If2c6c4fbfc922d56355d26a16f844fd57d4992ac
Acked-by: Ashok Vuyyuru <avuyyuru@qti.qualcomm.com>
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>