usb: typec: mux: intel: Add dependency on USB_COMMON

This fixes an undefined reference to `usb_debug_root' issue
when USB_COMMON is not enabled.

Fixes: 0a453dc9

 ("usb: typec: intel_pmc_mux: Expose IOM port status to debugfs")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/lkml/c3bb8781-676d-2448-cfbb-62e29f1f570b@infradead.org/
Cc: Rajat Khandelwal <rajat.khandelwal@linux.intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230731131210.43158-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>