[nrf noup] Align factory data guide to sysbuild

- Aligned all kconfigs to the new provided by sysbuild.

docs/guides/nrfconnect_factory_data_configuration.md

@@ -635,7 +635,7 @@ For example, the build command for the nRF52840 DK could look like this:
 ```
 $ west build -b nrf52840dk_nrf52840 -- \
 -DCONFIG_CHIP_FACTORY_DATA=y \
--DCONFIG_CHIP_FACTORY_DATA_BUILD=y \
+-DSB_CONFIG_MATTER_FACTORY_DATA_GENERATE=y \
 -DCONFIG_CHIP_FACTORY_DATA_GENERATE_ONBOARDING_CODES=y
 ```
 
@@ -778,15 +778,17 @@ is to use the nRF Connect platform build system that creates factory data
 content automatically using Kconfig options and includes the content in the
 final firmware binary.
 
+Warning, from NCS 2.7.0 release if you modify any of the factory data-related Kconfig option you need to build a Matter sample with the pristine option to clear the CMake cache or clear the cache manually.
+
 To enable generating the factory data set automatically, go to the example's
 directory and build the example with the following option (replace
 `nrf52840dk_nrf52840` with your board name):
 
 ```
-$ west build -b nrf52840dk_nrf52840 -- -DCONFIG_CHIP_FACTORY_DATA=y -DCONFIG_CHIP_FACTORY_DATA_BUILD=y
+$ west build -b nrf52840dk_nrf52840 -- -DCONFIG_CHIP_FACTORY_DATA=y -DSB_CONFIG_MATTER_FACTORY_DATA_GENERATE=y
 ```
 
-Alternatively, you can also add `CONFIG_CHIP_FACTORY_DATA_BUILD=y` Kconfig
+Alternatively, you can also add `SB_CONFIG_MATTER_FACTORY_DATA_GENERATE=y` Kconfig
 setting to the example's `prj.conf` file.
 
 Each factory data parameter has a default value. These are described in the
@@ -802,7 +804,7 @@ them as an additional option for the west command. For example (replace
 `nrf52840dk_nrf52840` with own board name):
 
 ```
-$ west build -b nrf52840dk_nrf52840 -- -DCONFIG_CHIP_FACTORY_DATA=y --DCONFIG_CHIP_FACTORY_DATA_BUILD=y --DCONFIG_CHIP_DEVICE_DISCRIMINATOR=0xF11
+$ west build -b nrf52840dk_nrf52840 -- -DCONFIG_CHIP_FACTORY_DATA=y --DSB_CONFIG_MATTER_FACTORY_DATA_GENERATE=y --DCONFIG_CHIP_DEVICE_DISCRIMINATOR=0xF11
 ```
 
 Alternatively, you can add the relevant Kconfig option lines to the example's
@@ -922,26 +924,26 @@ Another way to program the factory data to a device is to use the nRF Connect
 platform build system described in
 [Building an example with factory data](#building-an-example-with-factory-data),
 and build an example with the additional option
-`-DCONFIG_CHIP_FACTORY_DATA_MERGE_WITH_FIRMWARE=y`:
+`-DSB_CONFIG_MATTER_FACTORY_DATA_MERGE_WITH_FIRMWARE=y`:
 
 ```
 $ west build -b nrf52840dk_nrf52840 -- \
 -DCONFIG_CHIP_FACTORY_DATA=y \
--DCONFIG_CHIP_FACTORY_DATA_BUILD=y \
--DCONFIG_CHIP_FACTORY_DATA_MERGE_WITH_FIRMWARE=y
+-DSB_CONFIG_MATTER_FACTORY_DATA_GENERATE=y \
+-DSB_CONFIG_MATTER_FACTORY_DATA_MERGE_WITH_FIRMWARE=y
 ```
 
 You can also build an example with auto-generation of new CD, DAC and PAI
 certificates. The newly generated certificates will be added to factory data set
 automatically. To generate new certificates disable using default certificates
 by building an example with the additional option
-`-DCHIP_FACTORY_DATA_USE_DEFAULT_CERTS=n`:
+`-DCONFIG_CHIP_FACTORY_DATA_USE_DEFAULT_CERTS=n`:
 
 ```
 $ west build -b nrf52840dk_nrf52840 -- \
 -DCONFIG_CHIP_FACTORY_DATA=y \
--DCONFIG_CHIP_FACTORY_DATA_BUILD=y \
--DCONFIG_CHIP_FACTORY_DATA_MERGE_WITH_FIRMWARE=y \
+-DSB_CONFIG_MATTER_FACTORY_DATA_GENERATE=y \
+-DSB_CONFIG_MATTER_FACTORY_DATA_MERGE_WITH_FIRMWARE=y \
 -DCONFIG_CHIP_FACTORY_DATA_USE_DEFAULT_CERTS=n
 ```