STM32F3: add missing RAM in arm pack manager file

Author: jeromecoutant

tools/arm_pack_manager/index.json

@@ -370298,6 +370298,21 @@
             "version": "2.1.0"
         }, 
         "memories": {
+            "IRAM1": {
+                "access": {
+                    "execute": false, 
+                    "non_secure": false, 
+                    "non_secure_callable": false, 
+                    "peripheral": false, 
+                    "read": true, 
+                    "secure": false, 
+                    "write": true
+                }, 
+                "default": true, 
+                "size": 16384, 
+                "start": 536870912, 
+                "startup": false
+            }, 
             "IROM1": {
                 "access": {
                     "execute": true, 
@@ -370363,6 +370378,21 @@
             "version": "2.1.0"
         }, 
         "memories": {
+            "IRAM1": {
+                "access": {
+                    "execute": false, 
+                    "non_secure": false, 
+                    "non_secure_callable": false, 
+                    "peripheral": false, 
+                    "read": true, 
+                    "secure": false, 
+                    "write": true
+                }, 
+                "default": true, 
+                "size": 12288, 
+                "start": 536870912, 
+                "startup": false
+            }, 
             "IROM1": {
                 "access": {
                     "execute": true,