drm/appletbdrm: use %p4cl instead of %p4cc

drm/appletbdrm: use %p4cl instead of %p4cc

Due to lack of a proper format specifier, %p4cc was being used instead
of %p4cl for the purpose of printing FourCCs. But the disadvange was
that they were being printed in a reverse order. %p4cl should correct
this issue.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Link: https://lore.kernel.org/r/PN3PR01MB959783DC6377C4CAB203D7ADB8B52@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>