net: qmi_wwan: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module

This is an HP-branded Sierra Wireless EM7355:
https://bugzilla.redhat.com/show_bug.cgi?id=1223646#c2



Signed-off-by: David Ward <david.ward@ll.mit.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>