Merge branch 'release/v5.4.1'

Author: ivankravets

boards/rhombio_l476dmw1k.json

@@ -0,0 +1,40 @@
+{
+  "build": {
+    "cpu": "cortex-m4",
+    "extra_flags": "-DSTM32L476xx",
+    "f_cpu": "80000000L",
+    "mcu": "stm32l476vgt6"
+  },
+  "connectivity": [
+    "can"
+  ],
+  "debug": {
+    "default_tools": [
+      "cmsis-dap"
+    ],
+    "jlink_device": "STM32L476RG",
+    "onboard_tools": [
+      "cmsis-dap"
+    ],
+    "openocd_target": "stm32l4x",
+    "svd_path": "STM32L4x6.svd"
+  },
+  "frameworks": [
+    "mbed",
+    "stm32cube"
+  ],
+  "name": "L476DMW1K",
+  "upload": {
+    "maximum_ram_size": 131072,
+    "maximum_size": 1048576,
+    "protocol": "cmsis-dap",
+    "protocols": [
+      "jlink",
+      "stlink",
+      "blackmagic",
+      "cmsis-dap"
+    ]
+  },
+  "url": "https://os.mbed.com/platforms/RHOMBIO-L476DMW1K/",
+  "vendor": "rhomb.io"
+}

boards/sakuraio_evb_01.json

@@ -0,0 +1,38 @@
+{
+  "build": {
+    "cpu": "cortex-m4",
+    "extra_flags": "-DSTM32F411xE",
+    "f_cpu": "100000000L",
+    "mcu": "stm32f411ret6"
+  },
+  "debug": {
+    "default_tools": [
+      "cmsis-dap"
+    ],
+    "jlink_device": "STM32F411RE",
+    "onboard_tools": [
+      "cmsis-dap"
+    ],
+    "openocd_target": "stm32f4x",
+    "svd_path": "STM32F411xx.svd"
+  },
+  "frameworks": [
+    "mbed",
+    "stm32cube"
+  ],
+  "name": "Evaluation Board",
+  "upload": {
+    "maximum_ram_size": 131072,
+    "maximum_size": 1048576,
+    "protocol": "mbed",
+    "protocols": [
+      "jlink",
+      "stlink",
+      "mbed",
+      "blackmagic",
+      "cmsis-dap"
+    ]
+  },
+  "url": "https://os.mbed.com/platforms/SAKURAIO_EVB_01/",
+  "vendor": "sakura.io"
+}

platform.json

@@ -12,7 +12,7 @@
     "type": "git",
     "url": "https://github.com/platformio/platform-ststm32.git"
   },
-  "version": "5.4.0",
+  "version": "5.4.1",
   "packageRepositories": [
     "https://dl.bintray.com/platformio/dl-packages/manifest.json",
     "http://dl.platformio.org/packages/manifest.json"
@@ -76,7 +76,7 @@
     "framework-arduinoststm32-maple": {
       "type": "framework",
       "optional": true,
-      "version": "~1.10000.190220"
+      "version": "~1.10000.190516"
     },
     "framework-arduinostm32mxchip": {
       "type": "framework",