[bsp][stm32] add new line at end of file

bsp/stm32/libraries/templates/stm32f0xx/board/linker_scripts/link.icf

@@ -25,4 +25,4 @@ do not initialize  { section .noinit };
 place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
 
 place in ROM_region   { readonly };
-place in RAM_region   { readwrite, last block CSTACK};
+place in RAM_region   { readwrite, last block CSTACK};

bsp/stm32/libraries/templates/stm32f10x/board/linker_scripts/link.icf

@@ -25,4 +25,4 @@ do not initialize  { section .noinit };
 place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
 
 place in ROM_region   { readonly };
-place in RAM_region   { readwrite, last block CSTACK};
+place in RAM_region   { readwrite, last block CSTACK};

bsp/stm32/libraries/templates/stm32f7xx/board/SConscript

@@ -24,4 +24,4 @@ elif rtconfig.CROSS_TOOL == 'iar':
 CPPDEFINES = ['STM32F767xx']
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path, CPPDEFINES = CPPDEFINES)
 
-Return('group')
+Return('group')

bsp/stm32/libraries/templates/stm32f7xx/board/linker_scripts/link.icf

@@ -25,4 +25,4 @@ do not initialize  { section .noinit };
 place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
 
 place in ROM_region   { readonly };
-place in RAM_region   { readwrite, last block CSTACK};
+place in RAM_region   { readwrite, last block CSTACK};

bsp/stm32/libraries/templates/stm32l4xx/board/SConscript

@@ -36,4 +36,5 @@ elif rtconfig.CROSS_TOOL == 'iar':
 CPPDEFINES = ['STM32L475xx']
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path, CPPDEFINES = CPPDEFINES)
 
-Return('group')
+Return('group')
+

bsp/stm32/libraries/templates/stm32l4xx/board/linker_scripts/link.icf

@@ -26,4 +26,4 @@ do not initialize  { section .noinit };
 place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
 
 place in ROM_region   { readonly };
-place in RAM_region   { readwrite, last block CSTACK};
+place in RAM_region   { readwrite, last block CSTACK};