mpsl: Fix build on babblesim

ZERO_LATENCY_IRQS now has direct deps on cortex-m arch.

Signed-off-by: Jonathan Rico <[email protected]>

mpsl/Kconfig

@@ -6,7 +6,7 @@
 
 config MPSL
 	bool "Nordic Multi Protocol Service Layer (MPSL)"
-	select ZERO_LATENCY_IRQS
+	select ZERO_LATENCY_IRQS if !SOC_SERIES_BSIM_NRFXX
 	select IEEE802154_NRF5_EXT_IRQ_MGMT if IEEE802154_NRF5
 	select NRF_802154_MULTIPROTOCOL_SUPPORT if NRF_802154_RADIO_DRIVER
 	select MULTITHREADING_LOCK