octeontx2-pf: Move shared APIs to header file

Move mbox, hw resources and interrupt configuration functions to common
header file. So, that they can be used later by the RVU representor driver.

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241023161843.15543-5-gakula@marvell.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>