[nrf toup][nrfconnect] Fix configuration for MCUBOOT bootloader

Select `STREAM_FLASH` and `STREAM_FLASH_ERASE` when using MCUBOOT.

Signed-off-by: Adrian Gielniewski <adrian.gielniewski@nordicsemi.no>

Author: adigie

config/nrfconnect/chip-module/Kconfig

@@ -59,6 +59,8 @@ config CHIP_BOOTLOADER_MCUBOOT
 	bool "MCUBOOT for Matter Bootloader purpose"
 	imply BOOTLOADER_MCUBOOT
 	select IMG_MANAGER
+	select STREAM_FLASH
+	select STREAM_FLASH_ERASE
 
 config CHIP_BOOTLOADER_NONE
 	bool "No bootloader selected for Matter purposes"