configs/stm32f4{2|6}9_*_defconfig: rename configurations

Rename the configuration to explicitly distinguish between sd and xip.
As a result, the readme files have also been changed.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
Acked-by: Christophe Priouzeau <christophe.priouzeau@foss.st.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

board/stmicroelectronics/stm32f469-disco/readme.txt

@@ -7,13 +7,13 @@ configuration for the STM32F469 Discovery evaluation platform.
 Building
 --------
 
-  make stm32f469_disco_defconfig
+  make stm32f469_disco_sd_defconfig
   make
 
 Flashing
 --------
 
-  ./board/stmicroelectronics/stm32f469-disco/flash.sh output/
+  ./board/stmicroelectronics/stm32f469-disco/flash_sd.sh output/
 
 It will flash the U-boot bootloader.
 

board/stmicroelectronics/stm32f469-disco/readme_xip.txt

@@ -19,6 +19,6 @@ Building
 Flashing
 --------
 
-  ./board/stmicroelectronics/stm32f469-disco/flash.sh output/
+  ./board/stmicroelectronics/stm32f469-disco/flash_xip.sh output/
 
 It will flash binary to internal flash memory.

configs/stm32f469_disco_sd_defconfig

@@ -8,7 +8,7 @@ BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.14.12"
 BR2_LINUX_KERNEL_DEFCONFIG="stm32"
-BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(LINUX_DIR)/arch/arm/configs/dram_0x00000000.config board/stmicroelectronics/stm32f469-disco/linux.fragment"
+BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(LINUX_DIR)/arch/arm/configs/dram_0x00000000.config board/stmicroelectronics/stm32f469-disco/linux-sd.fragment"
 BR2_LINUX_KERNEL_IMAGE_TARGET_CUSTOM=y
 BR2_LINUX_KERNEL_IMAGE_TARGET_NAME="zImage"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y