Merge pull request #1818 from c1728p9/k64f_memory_map

Update K64F memory map for for larger static data

Author: 0xc0170

hal/targets/cmsis/TARGET_Freescale/TARGET_K64F/TOOLCHAIN_GCC_ARM/MK64FN1M0xxx12.ld

@@ -202,7 +202,7 @@ SECTIONS
     KEEP(*(.jcr*))
     . = ALIGN(4);
     __data_end__ = .;        /* define a global symbol at data end */
-  } > m_data
+  } > m_data_2
 
   __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
   text_end = ORIGIN(m_text) + LENGTH(m_text);
@@ -225,7 +225,7 @@ SECTIONS
     . = ALIGN(4);
     __bss_end__ = .;
     __END_BSS = .;
-  } > m_data
+  } > m_data_2
 
   .heap :
   {