Update latest toolchains to patched versions

Resolve platformio#705

Author: valeros

Diff for: platform.json

@@ -81,19 +81,19 @@
       "type": "toolchain",
       "optional": true,
       "owner": "espressif",
-      "version": "8.4.0+2021r2"
+      "version": "8.4.0+2021r2-patch2"
     },
     "toolchain-xtensa-esp32s2": {
       "type": "toolchain",
       "optional": true,
       "owner": "espressif",
-      "version": "8.4.0+2021r2"
+      "version": "8.4.0+2021r2-patch2"
     },
     "toolchain-riscv32-esp": {
       "type": "toolchain",
       "optional": true,
       "owner": "espressif",
-      "version": "8.4.0+2021r2"
+      "version": "8.4.0+2021r2-patch2"
     },
     "framework-arduinoespressif32": {
       "type": "framework",