hsic: Add support for 908E product id

908E is a new composition to support embedded rmnet, tethered
rmnet, diag, csvt, flashless boot and ipc router. This pid also
adds support for second diag instance.

Change-Id: Ifca9fa9cfbb3cc6cde77740934d410880088bbe0
Signed-off-by: Vamsi Krishna <vskrishn@codeaurora.org>