MHI WWAN CTRL allows QCOM-based PCIe modems to expose different modem
control protocols/ports to userspace, including AT, MBIM, QMI, DIAG
and FIREHOSE. These protocols can be accessed directly from userspace
(e.g. AT commands) or via libraries/tools (e.g. libmbim, libqmi, libqcdm)
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>