interconnect: qcom: sm8150: fix UAF under remove function

UAF is observed while unloading the interconnect driver.
Interconnect is core to the system and should not
be unloaded once it is probed. Marking the driver as
permanent by removing the module_exit function.

Change-Id: I0c8cfd628483cd44408b987e4765dc7237ef7ad5
Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@quicinc.com>