nrf52: cleanup s140v7 uf2 targets

targets/nano-33-ble-s140v7-uf2.json

@@ -0,0 +1,6 @@
+{
+	"inherits": ["nrf52840", "nrf52840-s140v7-uf2"],
+	"build-tags": ["nano_33_ble"],
+	"serial-port": ["acm:239a:8063", "acm:239a:0063"],
+	"msd-volume-name": "NANO33BOOT"
+}

targets/nrf52840-s140v7-uf2.json

@@ -0,0 +1,11 @@
+{
+	"inherits": ["nrf52840-s140v7"],
+	"build-tags": ["nrf52840_reset_uf2"],
+	"linkerscript": "targets/nrf52840-s140v7-uf2.ld",
+	"serial": "usb",
+	"flash-1200-bps-reset": "true",
+	"flash-method": "msd",
+	"msd-firmware-name": "firmware.uf2",
+	"binary-format": "uf2",
+	"uf2-family-id": "0xADA52840"
+}

targets/xiao-ble.ld → targets/nrf52840-s140v7-uf2.ld

@@ -1,18 +1,17 @@
-
-/*
-  See also 
-  https://github.com/Seeed-Studio/ArduinoCore-mbed/blob/master/variants/SEEED_XIAO_NRF52840_SENSE/linker_script.ld
-*/
-MEMORY
-{
-    FLASH_TEXT (rx) : ORIGIN = 0x27000, LENGTH = 0xED000 - 0x27000
-    RAM (rwx) : ORIGIN = 0x20006000, LENGTH = 0x3A000
-}
-
-_stack_size = 4K + __softdevice_stack;
-
-/* This value is needed by the Nordic SoftDevice. */
-__app_ram_base = ORIGIN(RAM);
-__softdevice_stack = DEFINED(__softdevice_stack) ? __softdevice_stack : 0;
-
-INCLUDE "targets/arm.ld"
+/*
+  See also 
+  https://github.com/Seeed-Studio/ArduinoCore-mbed/blob/master/variants/SEEED_XIAO_NRF52840_SENSE/linker_script.ld
+*/
+MEMORY
+{
+    FLASH_TEXT (rx) : ORIGIN = 0x27000, LENGTH = 0xED000 - 0x27000
+    RAM (rwx) : ORIGIN = 0x20006000, LENGTH = 0x3A000
+}
+
+_stack_size = 4K + __softdevice_stack;
+
+/* This value is needed by the Nordic SoftDevice. */
+__app_ram_base = ORIGIN(RAM);
+__softdevice_stack = DEFINED(__softdevice_stack) ? __softdevice_stack : 0;
+
+INCLUDE "targets/arm.ld"

targets/xiao-ble.json

@@ -1,13 +1,6 @@
 {
-	"inherits": ["nrf52840"],
-	"build-tags": ["xiao_ble", "nrf52840_reset_uf2", "softdevice", "s140v7"],
-	"serial": "usb",
+	"inherits": ["nrf52840", "nrf52840-s140v7-uf2"],
+	"build-tags": ["xiao_ble"],
 	"serial-port": ["acm:2886:8045", "acm:2886:0045"],
-	"flash-1200-bps-reset": "true",
-	"flash-method": "msd",
-	"msd-volume-name": "XIAO-SENSE",
-	"msd-firmware-name": "firmware.uf2",
-	"binary-format": "uf2",
-	"uf2-family-id": "0xADA52840",
-	"linkerscript": "targets/xiao-ble.ld"
+	"msd-volume-name": "XIAO-SENSE"
 }