Lerdge K/S/X support for Flash Drive (#20593)

platformio.ini

@@ -1373,6 +1373,14 @@ build_unflags       = ${common_stm32.build_unflags} -DUSBCON -DUSBD_USE_CDC -DUS
 extends              = lerdge_common
 board_build.firmware = Lerdge_X_firmware_force.bin
 
+#
+# Lerdge X with USB Flash Drive Support
+#
+[env:LERDGEX_usb_flash_drive]
+extends           = LERDGEX
+platform_packages = ${stm32_flash_drive.platform_packages}
+build_flags       = ${stm32_flash_drive.build_flags}
+
 #
 # Lerdge S
 #
@@ -1380,6 +1388,14 @@ board_build.firmware = Lerdge_X_firmware_force.bin
 extends              = lerdge_common
 board_build.firmware = Lerdge_firmware_force.bin
 
+#
+# Lerdge S with USB Flash Drive Support
+#
+[env:LERDGES_usb_flash_drive]
+extends           = LERDGES
+platform_packages = ${stm32_flash_drive.platform_packages}
+build_flags       = ${stm32_flash_drive.build_flags}
+
 #
 # Lerdge K
 #
@@ -1389,6 +1405,14 @@ board_build.firmware = Lerdge_K_firmware_force.bin
 build_flags          = ${lerdge_common.build_flags}
   -DLERDGEK
 
+#
+# Lerdge K with USB Flash Drive Support
+#
+[env:LERDGEK_usb_flash_drive]
+extends           = LERDGEK
+platform_packages = ${stm32_flash_drive.platform_packages}
+build_flags       = ${stm32_flash_drive.build_flags}
+
 #
 # RUMBA32
 #