Renaming driver to STM32LTDC as this will be a generic one

boards/base/STM32F746-Discovery/board.mk

@@ -2,4 +2,4 @@ GFXINC  +=	$(GFXLIB)/boards/base/STM32F746-Discovery
 GFXSRC  +=	$(GFXLIB)/boards/base/STM32F746-Discovery/STM32F746_discovery_sdram.c \
 			$(GFXLIB)/boards/base/STM32F746-Discovery/stm32f4xx_fmc.c
 
-include $(GFXLIB)/drivers/gdisp/STM32F746Discovery/driver.mk
+include $(GFXLIB)/drivers/gdisp/STM32LTDC/driver.mk

drivers/gdisp/STM32F746Discovery/driver.mk

@@ -1,2 +0,0 @@
-GFXINC +=	$(GFXLIB)/drivers/gdisp/STM32F746Discovery
-GFXSRC +=	$(GFXLIB)/drivers/gdisp/STM32F746Discovery/gdisp_lld_STM32F746Discovery.c

drivers/gdisp/STM32LTDC/driver.mk

@@ -0,0 +1,2 @@
+GFXINC +=	$(GFXLIB)/drivers/gdisp/STM32LTDC
+GFXSRC +=	$(GFXLIB)/drivers/gdisp/STM32LTDC/gdisp_lld_STM32LTDC.c

drivers/gdisp/STM32LTDC/gdisp_lld_STM32LTDC.c

@@ -18,8 +18,8 @@
 	#undef GDISP_SCREEN_WIDTH
 #endif
 
-#define GDISP_DRIVER_VMT			GDISPVMT_STM32F746Discovery
-#include "drivers/gdisp/STM32F746Discovery/gdisp_lld_config.h"
+#define GDISP_DRIVER_VMT			GDISPVMT_STM32LTDC
+#include "drivers/gdisp/STM32LTDC/gdisp_lld_config.h"
 #include "src/gdisp/gdisp_driver.h"
 
 #include "stm32_ltdc.h"
@@ -67,10 +67,10 @@ typedef struct ltdcConfig {
 	#define LTDC_PIXELBYTES		3
 	#define LTDC_PIXELBITS		24
 #else
-	#error "GDISP: STM32F746Discovery - unsupported pixel format"
+	#error "GDISP: STM32LTDC - unsupported pixel format"
 #endif
 
-#include "board_STM32F746Discovery.h"
+#include "board_STM32LTDC.h"
 
 /*===========================================================================*/
 /* Driver local definitions.                                                 */

drivers/gdisp/STM32LTDC/readme.txt

@@ -5,7 +5,7 @@ To use this driver:
 
 2. To your makefile add the following lines:
 	include $(GFXLIB)/gfx.mk
-	include $(GFXLIB)/drivers/gdisp/STM32F746Discovery/driver.mk
+	include $(GFXLIB)/drivers/gdisp/STM32LTDC/driver.mk
 
-3. Add a board_STM32F746Discovery.h to you project directory (or board directory)
+3. Add a board_STM32LTDC.h to you project directory (or board directory)
 	based on one of the templates.