soc: nxp: imx95: Fix systick flooding by enabling cache earlier

Systick is already enabled before late hook got called. In certain
circumstances systick could flooding the core and thus only handling
systicks. Enabling cache earlier using soc_early_init_hook ensures
that systick get handled quicker.

Signed-off-by: Peter van der Perk <peter.vanderperk@nxp.com>