ARM: at91: spl: Add macro CONFIG_XXXX_BOOT support

Use the CONFIG_XXXX_BOOT to indicate the boot media, instead of
the CONFIG_SYS_USE_XXXX option, which is declared by
CONFIG_SYS_EXTRA_OPTIONS option.

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>

arch/arm/mach-at91/spl.c

@@ -37,7 +37,7 @@ u32 spl_boot_device(void)
 	u32 off = (bootrom_stash.r4 >> ATMEL_SAMA5_BOOT_DEV_ID_OFF) &
 		  ATMEL_SAMA5_BOOT_DEV_ID_MASK;
 
-#if defined(CONFIG_SYS_USE_MMC)
+#if defined(CONFIG_SYS_USE_MMC) || defined(CONFIG_SD_BOOT)
 	if (dev == ATMEL_SAMA5_BOOT_FROM_MCI) {
 #if defined(CONFIG_SPL_OF_CONTROL)
 		return BOOT_DEVICE_MMC1;
@@ -52,7 +52,9 @@ u32 spl_boot_device(void)
 	}
 #endif
 
-#if defined(CONFIG_SYS_USE_SERIALFLASH) || defined(CONFIG_SYS_USE_SPIFLASH)
+#if defined(CONFIG_SYS_USE_SERIALFLASH) || \
+	defined(CONFIG_SYS_USE_SPIFLASH) || \
+	defined(CONFIG_SPI_BOOT)
 	if (dev == ATMEL_SAMA5_BOOT_FROM_SPI)
 		return BOOT_DEVICE_SPI;
 #endif
@@ -73,11 +75,13 @@ u32 spl_boot_device(void)
 #else
 u32 spl_boot_device(void)
 {
-#ifdef CONFIG_SYS_USE_MMC
+#if defined(CONFIG_SYS_USE_MMC) || defined(CONFIG_SD_BOOT)
 	return BOOT_DEVICE_MMC1;
-#elif CONFIG_SYS_USE_NANDFLASH
+#elif defined(CONFIG_SYS_USE_NANDFLASH) || defined(CONFIG_NAND_BOOT)
 	return BOOT_DEVICE_NAND;
-#elif CONFIG_SYS_USE_SERIALFLASH || CONFIG_SYS_USE_SPIFLASH
+#elif defined(CONFIG_SYS_USE_SERIALFLASH) || \
+	defined(CONFIG_SYS_USE_SPIFLASH) || \
+	defined(CONFIG_SPI_BOOT)
 	return BOOT_DEVICE_SPI;
 #endif
 	return BOOT_DEVICE_NONE;
@@ -87,7 +91,7 @@ u32 spl_boot_device(void)
 u32 spl_boot_mode(const u32 boot_device)
 {
 	switch (boot_device) {
-#ifdef CONFIG_SYS_USE_MMC
+#if defined(CONFIG_SYS_USE_MMC) || defined(CONFIG_SD_BOOT)
 	case BOOT_DEVICE_MMC1:
 	case BOOT_DEVICE_MMC2:
 		return MMCSD_MODE_FS;