[BSP/FIXUP] Update init function export for drivers

Signed-off-by: GuEe-GUI <2991707448@qq.com>

bsp/rockchip/rk3500/driver/hwtimer/hwtimer-rockchip_timer.c

@@ -390,4 +390,4 @@ static int rk_timer_drv_register(void)
 
     return 0;
 }
-INIT_DRIVER_EARLY_EXPORT(rk_timer_drv_register);
+INIT_PLATFORM_EXPORT(rk_timer_drv_register);

bsp/rockchip/rk3500/driver/uart8250/8250-dw.c

@@ -338,4 +338,4 @@ static int dw8250_drv_register(void)
 
     return 0;
 }
-INIT_DRIVER_EARLY_EXPORT(dw8250_drv_register);
+INIT_PLATFORM_EXPORT(dw8250_drv_register);

bsp/rockchip/rk3500/driver/uart8250/fiq-debugger.c

@@ -375,4 +375,4 @@ static int rockchip_fiq_debugger_drv_register(void)
 
     return 0;
 }
-INIT_DRIVER_EARLY_EXPORT(rockchip_fiq_debugger_drv_register);
+INIT_PLATFORM_EXPORT(rockchip_fiq_debugger_drv_register);