msm: ipa: Add IPA Ethernet endpoints

Update IPA driver with new Ethernet client endpoints
which will be used for Neutrino IPA offload data
data path.

CRs-Fixed: 1112150
Change-Id: I43a1a4d83018c0f75531aa14c37e5b484b779a8d
Signed-off-by: Sunil Paidimarri <hisunil@codeaurora.org>