configs: sama5d27_wlsom1_ek: qspiflash: Enable SPI NOR ethaddr retrieval

CONFIG_SPI_FLASH_SFDP_SUPPORT enables the SFDP Vendor parser,
and for the SST case, the retrieval of the ethaddr from the
SPI NOR flash.
Signed-off-by: NTudor Ambarus <tudor.ambarus@microchip.com>

configs/sama5d27_wlsom1_ek_qspiflash_defconfig

@@ -80,6 +80,7 @@ CONFIG_MTD=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_BUS=2
 CONFIG_SF_DEFAULT_SPEED=50000000
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
 CONFIG_SPI_FLASH_ATMEL=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_SPANSION=y