reset: Allow building Broadcom STB RESCAL as module

The driver can be built as a module and uses device managed resources.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210924030840.9650-1-f.fainelli@gmail.com


Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>