STM32F303xC: correct RAM size

Author: jeromecoutant

targets/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xC/cmsis_nvic.h

@@ -30,7 +30,7 @@
 #endif
 
 #if !defined(MBED_RAM_SIZE)
-#define MBED_RAM_SIZE  0xc000  // 48 KB
+#define MBED_RAM_SIZE  0xa000  // 40 KB
 #endif
 
 #if !defined(MBED_RAM1_START)

tools/arm_pack_manager/index.json

@@ -368139,7 +368139,7 @@
                     "write": true
                 },
                 "default": true,
-                "size": 49152,
+                "size": 40960,
                 "start": 536870912,
                 "startup": false
             },
@@ -368809,7 +368809,7 @@
                     "write": true
                 },
                 "default": true,
-                "size": 49152,
+                "size": 40960,
                 "start": 536870912,
                 "startup": false
             },
@@ -369159,7 +369159,7 @@
                     "write": true
                 },
                 "default": true,
-                "size": 49152,
+                "size": 40960,
                 "start": 536870912,
                 "startup": false
             },
@@ -369254,7 +369254,7 @@
                     "write": true
                 },
                 "default": true,
-                "size": 49152,
+                "size": 40960,
                 "start": 536870912,
                 "startup": false
             },