Update to SoftDevice 7.3.0 for wio-sdk-wm1110 and wio-tracker-wm1110 (#4248)

* Update variant.h

* Update wio-tracker-wm1110.json

* Update wio-sdk-wm1110.json

* Update platformio.ini

* Update platformio.ini

* Add files via upload

* Add files via upload

* Update variant.h

boards/wio-sdk-wm1110.json

@@ -1,7 +1,7 @@
 {
   "build": {
     "arduino": {
-      "ldscript": "nrf52840_s140_v6.ld"
+      "ldscript": "nrf52840_s140_v7.ld"
     },
     "core": "nRF5",
     "cpu": "cortex-m4",
@@ -15,8 +15,8 @@
     "softdevice": {
       "sd_flags": "-DS140",
       "sd_name": "s140",
-      "sd_version": "6.1.1",
-      "sd_fwid": "0x00B6"
+      "sd_version": "7.3.0",
+      "sd_fwid": "0x0123"
     },
     "bootloader": {
       "settings_addr": "0xFF000"

boards/wio-tracker-wm1110.json

@@ -1,7 +1,7 @@
 {
   "build": {
     "arduino": {
-      "ldscript": "nrf52840_s140_v6.ld"
+      "ldscript": "nrf52840_s140_v7.ld"
     },
     "core": "nRF5",
     "cpu": "cortex-m4",
@@ -22,8 +22,8 @@
     "softdevice": {
       "sd_flags": "-DS140",
       "sd_name": "s140",
-      "sd_version": "6.1.1",
-      "sd_fwid": "0x00B6"
+      "sd_version": "7.3.0",
+      "sd_fwid": "0x0123"
     },
     "bootloader": {
       "settings_addr": "0xFF000"