bcm968580xref: enable spi-nor support

This commit enable the support of the spi-nor for the
broadcom reference board bcm968580xref.
Signed-off-by: NPhilippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: NKursad Oney <kursad.oney@broadcom.com>

configs/bcm968580xref_ram_defconfig

@@ -16,6 +16,8 @@ CONFIG_CMD_GPIO=y
 CONFIG_CMD_MTD=y
 CONFIG_CMD_NAND=y
 CONFIG_CMD_PART=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
 CONFIG_DOS_PARTITION=y
 CONFIG_ISO_PARTITION=y
 CONFIG_EFI_PARTITION=y
@@ -33,11 +35,18 @@ CONFIG_MTD=y
 CONFIG_NAND=y
 CONFIG_NAND_BRCMNAND=y
 CONFIG_NAND_BRCMNAND_6858=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
+CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_CONS_INDEX=0
 CONFIG_DM_SERIAL=y
 CONFIG_SERIAL_SEARCH_ALL=y
 CONFIG_BCM6345_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_BCM63XX_HSSPI=y
 CONFIG_SYSRESET=y
 CONFIG_SYSRESET_WATCHDOG=y
 CONFIG_WDT_BCM6345=y