soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove

In the Linux kernel, the following vulnerability has been resolved:

soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove

The following warning is seen during bwmon_remove due to refcount

imbalance, fix this by releasing the OPPs after use.

Logs:

WARNING: at drivers/opp/core.c:1640 _opp_table_kref_release+0x150/0x158

Hardware name: Qualcomm Technologies, Inc. X1E80100 CRD (DT)

...

Call trace:

_opp_table_kref_release+0x150/0x158

dev_pm_opp_remove_table+0x100/0x1b4

devm_pm_opp_of_table_release+0x10/0x1c

devm_action_release+0x14/0x20

devres_release_all+0xa4/0x104

device_unbind_cleanup+0x18/0x60

device_release_driver_internal+0x1ec/0x228

driver_detach+0x50/0x98

bus_remove_driver+0x6c/0xbc

driver_unregister+0x30/0x60

platform_driver_unregister+0x14/0x20

bwmon_driver_exit+0x18/0x524 [icc_bwmon]

__arm64_sys_delete_module+0x184/0x264

invoke_syscall+0x48/0x118

el0_svc_common.constprop.0+0xc8/0xe8

do_el0_svc+0x20/0x2c

el0_svc+0x34/0xdc

el0t_64_sync_handler+0x13c/0x158

el0t_64_sync+0x190/0x194

--[ end trace 0000000000000000 ]---