msm: ipa: add differentiation for endpoint config

Allow IPA clients to decide whether IPA driver
should configure the connected endpoint during
pipe connection.

In some use-cases Q6 processor should configure
the endpoint, while in other cases A7 processor should.

Change-Id: I5e34d18228afcce4683790aa7f2433f05a15d60d
Signed-off-by: Talel Atias <tatias@codeaurora.org>