msm: ipa: Validate routing rule id

IPA driver expose routing rule id IOCTL's to user space.
There is a chance of getting invalid routing rule-id.
Validate it before committing it to IPA hardware.

Change-Id: If80b94d3a055f9212d25aff9a57d1b45001ba586
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>