soc: nordic: nrf54h: Add DCACHE initialization

Add initialization of the data cache.

Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>

soc/nordic/nrf54h/soc.c

@@ -83,6 +83,7 @@ static int trim_hsfll(void)
 static int nordicsemi_nrf54h_init(void)
 {
 	sys_cache_instr_enable();
+	sys_cache_data_enable();
 
 	power_domain_init();