changed variant name to tbeam-displayshield

variants/tbeam-displayshield/platformio.ini

@@ -1,5 +1,5 @@
 ; The 1.0 release of the TBEAM board 
-[env:tbeam_TFT]
+[env:tbeam-displayshield]
 extends = esp32_base
 board = ttgo-t-beam
 board_check = true
@@ -7,7 +7,7 @@ lib_deps = ${esp32_base.lib_deps}
   https://github.com/Nasimovy/st7796/archive/refs/tags/1.0.5.zip ; display addon
 build_flags = ${esp32_base.build_flags}
   -DTBEAM_V10
-  -Ivariants/tbeam_TFT
+  -Ivariants/tbeam-displayshield
   -DGPS_POWER_TOGGLE ; comment this line to disable double press function on the user button to turn off gps entirely.
   -DBOARD_HAS_PSRAM
   -mfix-esp32-psram-cache-issue