Merge pull request ARMmbed#14359 from harmut01/baremetal_nxp

Add bare metal support to NXP targets

Author: 0xc0170

targets/TARGET_NXP/TARGET_LPC11XX_11CXX/device/TOOLCHAIN_ARM_MICRO/TARGET_LPC11XX/LPC1114.sct

@@ -121,6 +121,8 @@ LR_IROM1 m_interrupts_start m_text_start+m_text_size-m_interrupts_start { ; load
   }
   RW_IRAM1 ((ImageLimit(RW_m_data) == m_data_start) ? ImageLimit(RW_m_data) : +0) EMPTY Heap_Size { ; Heap region growing up
   }
+  ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY Heap_Size{ ; Heap region growing up
+  }
   ARM_LIB_STACK m_data_start+m_data_size EMPTY -Stack_Size { ; Stack region growing down
   }
 

targets/TARGET_NXP/TARGET_LPC11XX_11CXX/device/TOOLCHAIN_ARM_MICRO/TARGET_LPC11XX/startup_LPC11xx.S

@@ -109,6 +109,8 @@ LR_IROM1 m_interrupts_start m_text_start+m_text_size-m_interrupts_start { ; load
   }
   RW_IRAM1 +0 EMPTY Heap_Size {    ; Heap region growing up
   }
+  ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY Heap_Size{ ; Heap region growing up
+  }
   ARM_LIB_STACK m_data_start+m_data_size EMPTY -Stack_Size { ; Stack region growing down
   }
 }