net: wwan: t7xx: add support for Dell DW5933e

add support for Dell DW5933e (0x14c0, 0x4d75)

Signed-off-by: Jack Wu <wojackbb@gmail.com>
Link: https://patch.msgid.link/20240716024902.16054-1-wojackbb@gmail.com


Signed-off-by: Paolo Abeni <pabeni@redhat.com>