[nrf fromlist] soc: nordic: nrf54l: Fix num of irq for nRF54L09

Change number of IRQ parameter for nRF54L09 devices.

Upstream PR #: 86350

Signed-off-by: Adam Kondraciuk <[email protected]>
(cherry picked from commit 6971f74)

Author: adamkondraciuk

soc/nordic/nrf54l/Kconfig.defconfig.nrf54l09_enga_cpuapp

@@ -6,7 +6,7 @@
 if SOC_NRF54L09_ENGA_CPUAPP
 
 config NUM_IRQS
-	default 274
+	default 271
 
 config IEEE802154_NRF5
 	default IEEE802154