armv8: ls2088ardb: Move CONFIG_SPI_FLASH, CONFIG_SPI_FLASH_SPANSION to defconfig

Move CONFIG_SPI_FLASH_SPANSION, CONFIG_SPI_FLASH, to defconfig.
Also disable disable 4K erase size option.

Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/configs/ls2088ardb_qspi_defconfig b/configs/ls2088ardb_qspi_defconfig
index 18a9634..1384768 100644
--- a/configs/ls2088ardb_qspi_defconfig
+++ b/configs/ls2088ardb_qspi_defconfig
@@ -31,6 +31,9 @@
 CONFIG_FSL_ESDHC=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_PHYLIB=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_SPANSION=y
+# CONFIG_SPI_FLASH_USE_4K_SECTORS is not set
 CONFIG_NETDEVICES=y
 CONFIG_PHY_GIGE=y
 CONFIG_E1000=y