configs: Disable 4k erase sector size for spansion "s25fs512s" flash

4K erase size is used only in case of hydrid mode which is not
supported on any NXP platform with flash "s25fs512s".
Supported mode is uniform sector, with erase size 256kiB.

Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/configs/ls1088aqds_qspi_defconfig b/configs/ls1088aqds_qspi_defconfig
index f066412..a7bed8c 100644
--- a/configs/ls1088aqds_qspi_defconfig
+++ b/configs/ls1088aqds_qspi_defconfig
@@ -32,6 +32,7 @@
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_SPANSION=y
+# CONFIG_SPI_FLASH_USE_4K_SECTORS is not set
 CONFIG_NETDEVICES=y
 CONFIG_E1000=y
 CONFIG_PCI=y