If punit or telemetry device initialization fails, pmc driver should
unregister and return failure.

This change is to fix a kernel panic when removing kernel module
intel_pmc_ipc.

Fixes: 48c19170 ("platform:x86: Add Intel telemetry platform device")
Signed-off-by: NJunxiao Chang <junxiao.chang@intel.com>
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>