boards: stm32h7b3i_dk: Rename LVGL DMA2D Kconfig symbols

Rename the defaulted DMA2D Kconfig symbols to match the new upstream
nomenclature.

Signed-off-by: Fabian Blatz <[email protected]>

Author: faxe1008

boards/st/stm32h7b3i_dk/Kconfig.defconfig

@@ -22,10 +22,10 @@ if LVGL
 config CACHE_MANAGEMENT
 	default y
 
-config LV_USE_GPU_STM32_DMA2D
+config LV_USE_DRAW_DMA2D
 	default y
 
-config LV_GPU_DMA2D_CMSIS_INCLUDE
+config LV_DRAW_DMA2D_HAL_INCLUDE
 	default "stm32h7xx.h"
 
 config STM32_LTDC_FB_NUM