[nrf noup] soc: nordic: ironside: fix typo in Kconfig

This typo was fixed in upstream but not ported to NCS
This creates conflicts when cherry picking.

Signed-off-by: Łukasz Stępnicki <[email protected]>

Author: lstnl

soc/nordic/ironside/Kconfig

@@ -69,7 +69,7 @@ config NRF_IRONSIDE_DVFS_OPPOINT_CHANGE_MUTEX_TIMEOUT_MS
 	int "IRONSside DVFS change oppoint mutex timeout"
 	default 100
 	help
-	  Maximum tiemout when waiting for DVFS oppoint change mutex lock.
+	  Maximum timeout when waiting for DVFS oppoint change mutex lock.
 
 endif # NRF_IRONSIDE_DVFS_SERVICE