interconnect: qcom: holi: 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: If4ddebec67f008e5412c1bf03bed0693fcaaffe0
Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@quicinc.com>