The pinctrl driver actually uses SYSCON, so 'depends on' should be used
instead of 'select'. SYSCON should be selected in SoC config instead,
just like other SoC do.
This breaks Kconfig dependency loop for configs that indirectly depends
on SYSCON and causes PINCTRL to be selected.
Signed-off-by: Patryk Duda <patrykd@google.com>
