new ldscript for extrafs nrf companion envs

variants/ikoka_stick_nrf/platformio.ini

@@ -101,6 +101,8 @@ build_src_filter = ${nrf52840_xiao.build_src_filter}
 
 [ikoka_stick_nrf_companion_radio_ble]
 extends = ikoka_stick_nrf_baseboard
+board_build.ldscript = boards/nrf52840_s140_v7_extrafs.ld
+board_upload.maximum_size = 708608
 build_flags =
   ${ikoka_stick_nrf_baseboard.build_flags}
   -D MAX_CONTACTS=350
@@ -121,6 +123,8 @@ lib_deps =
 
 [ikoka_stick_nrf_companion_radio_usb]
 extends = ikoka_stick_nrf_baseboard
+board_build.ldscript = boards/nrf52840_s140_v7_extrafs.ld
+board_upload.maximum_size = 708608
 build_flags =
   ${ikoka_stick_nrf_baseboard.build_flags}
   -D MAX_CONTACTS=350