chore(bme680): Rename C module

Signed-off-by: Rahix <rahix@rahix.de>

pycardium/meson.build

@@ -16,7 +16,7 @@ modsrc = files(
   'modules/sys_display.c',
   'modules/utime.c',
   'modules/vibra.c',
-  'modules/bme680.c',
+  'modules/sys_bme680.c',
   'modules/ws2812.c'
 )