pinctrl: stm32: add firewall checks before probing the HDP driver

pinctrl: stm32: add firewall checks before probing the HDP driver

Because the HDP peripheral both depends on debug and firewall
configuration, when CONFIG_STM32_FIREWALL is present, use the
stm32 firewall framework to be able to check these configuration against
the relevant controllers.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Clément Le Goffic <legoffic.clement@gmail.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://lore.kernel.org/r/20260226-debug_bus-v6-12-5d794697798d@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>