Update pimoroni_pga2040.json

Author: maxgerhardt

boards/pimoroni_pga2040.json

@@ -9,7 +9,7 @@
     },
     "core": "earlephilhower",
     "cpu": "cortex-m0plus",
-    "extra_flags": "-D ARDUINO_GENERIC_RP2040 -DARDUINO_ARCH_RP2040 -DUSBD_MAX_POWER_MA=250",
+    "extra_flags": "-D ARDUINO_PIMORONI_PGA2040 -DARDUINO_ARCH_RP2040 -DUSBD_MAX_POWER_MA=250",
     "f_cpu": "133000000L",
     "hwids": [
       [
@@ -22,7 +22,7 @@
       ]
     ],
     "mcu": "rp2040",
-    "variant": "generic"
+    "variant": "pimoroni_pga2040"
   },
   "debug": {
     "jlink_device": "RP2040_M0_0",