driver core: Use dev_warn() instead of dev_WARN() for deferred_probe_timeout warnings

driver core: Use dev_warn() instead of dev_WARN() for deferred_probe_timeout warnings

In commit c8c43cee29f6 ("driver core: Fix
driver_deferred_probe_check_state() logic") and following
changes the logic was changes slightly so that if there is no
driver to match whats found in the dtb, we wait the sepcified
seconds for modules to be loaded by userland, and then timeout,
where as previously we'd print "ignoring dependency for device,
assuming no driver" and immediately return -ENODEV after
initcall_done.

However, in the timeout case (which previously existed but was
practicaly un-used without a boot argument), the timeout message
uses dev_WARN(). This means folks are now seeing a big backtrace
in their boot logs if there a entry in their dts that doesn't
have a driver.

To fix this, lets use dev_warn(), instead of dev_WARN() to match
the previous error path.

Cc: "David S. Miller" <[email protected]>
Cc: Alexey Kuznetsov <[email protected]>
Cc: Hideaki YOSHIFUJI <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Yoshihiro Shimoda <[email protected]>
Cc: Robin Murphy <[email protected]>
Cc: Andy Shevchenko <[email protected]>
Cc: Sudeep Holla <[email protected]>
Cc: Andy Shevchenko <[email protected]>
Cc: Naresh Kamboju <[email protected]>
Cc: Basil Eljuse <[email protected]>
Cc: Ferry Toth <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Anders Roxell <[email protected]>
Cc: [email protected]
Reviewed-by: Yoshihiro Shimoda <[email protected]>
Fixes: c8c43cee29f6 ("driver core: Fix driver_deferred_probe_check_state() logic")
Signed-off-by: John Stultz <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>