modules: mcuboot: boot: zephyr: kconfig: Fix MCUboot partition sizes

Fixes partition sizes for MCUboot when secure boot on the
application core is enabled. Without this, the partition start
address is invalid because it did not take into account the MCUboot
header for the updateable MCUboot partition

Signed-off-by: Jamie McCrae <[email protected]>

Author: nordicjm

modules/mcuboot/boot/zephyr/Kconfig

@@ -37,6 +37,8 @@ config PM_PARTITION_SIZE_MCUBOOT
 
 config PM_PARTITION_SIZE_MCUBOOT
 	hex "Flash space allocated for the MCUboot partition" if !BOOT_USE_MIN_PARTITION_SIZE
+	default 0xb800 if MCUBOOT_MCUBOOT_IMAGE_NUMBER != -1 && SOC_SERIES_NRF54LX
+	default 0xbe00 if MCUBOOT_MCUBOOT_IMAGE_NUMBER != -1 && !SOC_SERIES_NRF54LX
 	default 0xc000
 	help
 	  Flash space set aside for the MCUboot partition.