[nrf noup] drivers: wifi: nrfwifi: Workaround for build

External flash support is still WIP, so, to get sysbuild working add
dummy Kconfig options.

Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>

drivers/wifi/nrfwifi/Kconfig.nrfwifi

@@ -700,4 +700,31 @@ config NRF_WIFI_BUILD_ONLY_MODE
  dependency on firmware binary and patches.
  This is useful to check the build and link errors.
 
+# TODO: Temporary WAR, implement these options in the future
+config NRF_WIFI_PATCHES_EXT_FLASH_DISABLED
+ bool "nRF70 firmware patch external flash support"
+ help
+ Select this option to disable external flash support for nRF70 firmware patches
+
+config NRF_WIFI_FW_PATCH_DFU
+ bool "nRF70 firmware patch DFU"
+ help
+ Select this option to enable DFU for nRF70 firmware patches
+
+config NRF_WIFI_PATCHES_EXT_FLASH_STORE
+ bool "nRF70 firmware patch external flash store"
+ help
+ Select this option to enable external flash store for nRF70 firmware patches
+
+config NRF_WIFI_FW_FLASH_CHUNK_SIZE
+ int "nRF70 firmware patch flash chunk size"
+ default 8192
+ help
+ Select this option to set the flash chunk size for nRF70 firmware patches
+
+config NRF_WIFI_PATCHES_EXT_FLASH_XIP
+ bool "nRF70 firmware patch external flash XIP"
+ help
+ Select this option to enable external flash XIP for nRF70 firmware patches
+
 endif # WIFI_NRF70