fix no clear bss with gcc and the wrong logic in SConscript

bsp/imxrt/libraries/MIMXRT1050/MIMXRT1052/gcc/startup_MIMXRT1052.S

@@ -367,7 +367,6 @@ Reset_Handler:
     blt    .LC4
 #endif /* __STARTUP_INITIALIZE_NONCACHEDATA */
 
-#ifdef __STARTUP_CLEAR_BSS
 /*     This part of work usually is done in C library startup code. Otherwise,
  *     define this macro to enable it in this startup.
  *
@@ -385,7 +384,6 @@ Reset_Handler:
     itt    lt
     strlt   r0, [r1], #4
     blt    .LC5
-#endif /* __STARTUP_CLEAR_BSS */
 
     cpsie   i               /* Unmask interrupts */
 #ifndef __START

bsp/imxrt/libraries/MIMXRT1050/SConscript

@@ -53,9 +53,6 @@ if GetDepend(['BSP_USING_SDRAM']):
 if GetDepend(['BSP_USING_LCD']):
     src += ['MIMXRT1052/drivers/fsl_elcdif.c']
 
-if GetDepend(['RT_USING_USB_HOST']) or GetDepend(['RT_USING_USB_DEVICE']):
-    src += ['MIMXRT1052/drivers/fsl_usdhc.c']
-
 if GetDepend(['BSP_USING_CAN']):
     src += ['MIMXRT1052/drivers/fsl_flexcan.c']
 

bsp/imxrt/libraries/MIMXRT1064/MIMXRT1064/gcc/startup_MIMXRT1064.S

@@ -366,7 +366,6 @@ Reset_Handler:
     blt    .LC4
 #endif /* __STARTUP_INITIALIZE_NONCACHEDATA */
 
-#ifdef __STARTUP_CLEAR_BSS
 /*     This part of work usually is done in C library startup code. Otherwise,
  *     define this macro to enable it in this startup.
  *
@@ -384,7 +383,6 @@ Reset_Handler:
     itt    lt
     strlt   r0, [r1], #4
     blt    .LC5
-#endif /* __STARTUP_CLEAR_BSS */
 
     cpsie   i               /* Unmask interrupts */
 #ifndef __START

bsp/imxrt/libraries/MIMXRT1064/SConscript

@@ -49,9 +49,6 @@ if GetDepend(['BSP_USING_ADC']):
 if GetDepend(['BSP_USING_SDRAM']):
     src += ['MIMXRT1064/drivers/fsl_semc.c']
 
-if GetDepend(['RT_USING_USB_HOST']) or GetDepend(['RT_USING_USB_DEVICE']):
-    src += ['MIMXRT1064/drivers/fsl_usdhc.c']
-
 if GetDepend(['RT_USING_CAN']):
     src += ['MIMXRT1064/drivers/fsl_flexcan.c']