drivers/flash/nordic_qspi_nor: Add missing FLASH_HAS_PAGE_LAYOUT

The Kconfig for device has not been missing the FLASH_HAS_PAGE_LAYOUT.

Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>
diff --git a/drivers/flash/Kconfig.nordic_qspi_nor b/drivers/flash/Kconfig.nordic_qspi_nor
index ff652f6..4acce55 100644
--- a/drivers/flash/Kconfig.nordic_qspi_nor
+++ b/drivers/flash/Kconfig.nordic_qspi_nor
@@ -6,6 +6,7 @@
 	default y
 	depends on DT_HAS_NORDIC_QSPI_NOR_ENABLED
 	select FLASH_HAS_DRIVER_ENABLED
+	select FLASH_HAS_PAGE_LAYOUT
 	select NRFX_QSPI
 	select FLASH_JESD216
 	select PINCTRL