[bsp][stm32] change tab into whitespace

Signed-off-by: Nliuxinaliang <liuxianliang@rt-thread.com>

bsp/stm32/libraries/STM32G4xx_HAL/CMSIS/Device/ST/STM32G4xx/Source/Templates/gcc/startup_stm32g431xx.s

@@ -99,7 +99,7 @@ LoopFillZerobss:
 /* Call static constructors */
 /*  bl __libc_init_array */
 /* Call the application's entry point.*/
-	bl	entry
+    bl  entry
 
 LoopForever:
     b LoopForever

bsp/stm32/libraries/STM32G4xx_HAL/CMSIS/Device/ST/STM32G4xx/Source/Templates/gcc/startup_stm32g441xx.s

@@ -99,7 +99,7 @@ LoopFillZerobss:
 /* Call static constructors */
 /*  bl __libc_init_array */
 /* Call the application's entry point.*/
-	bl	entry
+    bl  entry
 
 LoopForever:
     b LoopForever

bsp/stm32/libraries/STM32G4xx_HAL/CMSIS/Device/ST/STM32G4xx/Source/Templates/gcc/startup_stm32g471xx.s

@@ -99,7 +99,7 @@ LoopFillZerobss:
 /* Call static constructors */
 /*  bl __libc_init_array */
 /* Call the application's entry point.*/
-	bl	entry
+    bl  entry
 
 LoopForever:
     b LoopForever

bsp/stm32/libraries/STM32G4xx_HAL/CMSIS/Device/ST/STM32G4xx/Source/Templates/gcc/startup_stm32g473xx.s

@@ -99,7 +99,7 @@ LoopFillZerobss:
 /* Call static constructors */
 /*  bl __libc_init_array */
 /* Call the application's entry point.*/
-	bl	entry
+    bl  entry
 
 LoopForever:
     b LoopForever

bsp/stm32/libraries/STM32G4xx_HAL/CMSIS/Device/ST/STM32G4xx/Source/Templates/gcc/startup_stm32g474xx.s

@@ -99,7 +99,7 @@ LoopFillZerobss:
 /* Call static constructors */
 /*  bl __libc_init_array */
 /* Call the application's entry point.*/
-	bl	entry
+    bl  entry
 
 LoopForever:
     b LoopForever

bsp/stm32/libraries/STM32G4xx_HAL/CMSIS/Device/ST/STM32G4xx/Source/Templates/gcc/startup_stm32g483xx.s

@@ -99,7 +99,7 @@ LoopFillZerobss:
 /* Call static constructors */
 /*  bl __libc_init_array */
 /* Call the application's entry point.*/
-	bl	entry
+    bl  entry
 
 LoopForever:
     b LoopForever

bsp/stm32/libraries/STM32G4xx_HAL/CMSIS/Device/ST/STM32G4xx/Source/Templates/gcc/startup_stm32g484xx.s

@@ -98,7 +98,7 @@ LoopFillZerobss:
 /* Call static constructors */
 /*  bl __libc_init_array */
 /* Call the application's entry point.*/
-	bl	entry
+    bl  entry
 
 LoopForever:
     b LoopForever

bsp/stm32/libraries/STM32G4xx_HAL/CMSIS/Device/ST/STM32G4xx/Source/Templates/gcc/startup_stm32gbk1cb.s

@@ -95,7 +95,7 @@ LoopFillZerobss:
 /* Call static constructors */
 /*  bl __libc_init_array */
 /* Call the application's entry point.*/
-	bl	entry
+    bl  entry
 
 LoopForever:
     b LoopForever