move nrf52 stuff to correct directory name

platformio.ini

@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [platformio]
-default_envs = bare
+default_envs = nrf52dk
 
 [common]
 ; common is not currently used
@@ -79,7 +79,7 @@ lib_deps =
 ; Common settings for ESP targes, mixin with extends = esp32_base
 [esp32_base]
 src_filter = 
-  ${env.src_filter} -<bare/>
+  ${env.src_filter} -<nrf52/>
 upload_speed = 921600
 debug_init_break = tbreak setup
 build_flags =
@@ -123,15 +123,14 @@ build_flags =
   ${esp32_base.build_flags} -D TTGO_LORA_V2
 
 
-; This is a temporary build target to test turning off particular hardare bits in the build (to improve modularity)
-[env:bare]
+; The NRF52840-dk development board
+[env:nrf52dk]
 platform = nordicnrf52
-; board = nrf52840_dk_adafruit ; nicer than nrf52840_dk - more full gpio mappings
 board = ppr
 framework = arduino
 debug_tool = jlink
 build_flags = 
-  ${env.build_flags} -D BARE_BOARD -Wno-unused-variable -Isrc/bare
+  ${env.build_flags} -Wno-unused-variable -Isrc/nrf52
 src_filter = 
   ${env.src_filter} -<esp32/>
 lib_ignore =