[stm32l475] beautify kconfig of board

bsp/stm32/stm32l475-atk-pandora/board/Kconfig

@@ -36,15 +36,14 @@ menu "Onboard Peripheral Drivers"
         default n
 
     config BSP_USING_LCD_SAMPLE
-        bool "Enable LCD sample"
-        depends on BSP_USING_SPI_LCD
-        depends on !BSP_USING_LVGL
+        bool "Enable LCD raw driver sample"
+        depends on BSP_USING_SPI_LCD && !BSP_USING_LVGL
         default n
 
     config BSP_USING_LVGL
         bool "Enable LVGL for LCD"
-        select BSP_USING_SPI_LCD
         select PKG_USING_LVGL
+        select BSP_USING_SPI_LCD
         default n
 
     config BSP_USING_SDCARD