boot: zephyr: kconfig: Default to swap using offset for nRF devices

Defaults to the new swap using offset mode

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

Author: nordicjm

boot/zephyr/Kconfig

@@ -408,14 +408,14 @@ config BOOT_VALIDATE_SLOT0_ONCE
 
 config BOOT_PREFER_SWAP_OFFSET
 	bool "Prefer the newer swap offset algorithm"
+	default y if SOC_FAMILY_NORDIC_NRF
 	help
 	  If y, the BOOT_IMAGE_UPGRADE_MODE will default to using "offset" instead of "scratch".
 	  This is a separate bool config option, because Kconfig doesn't allow defaults to be
 	  overridden in choice options. Most devices should be using swap using offset mode.
 
 config BOOT_PREFER_SWAP_MOVE
 	bool "Prefer the newer swap move algorithm"
-	default y if SOC_FAMILY_NORDIC_NRF
 	default y if !$(dt_nodelabel_enabled,scratch_partition)
 	help
 	  If y, the BOOT_IMAGE_UPGRADE_MODE will default to using