arm64: zynqmp: Dont use 4K sector erase by default for spi-flashes

Dont use 4K sector erase by default, Disabling this
would use 64K sector erase and decreases erase time.
Also disabled by the fact that UBIFS and JFFS2 won't work
with 4K sector erase.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_zynqmp_zcu102_rev1_0_defconfig b/configs/xilinx_zynqmp_zcu102_rev1_0_defconfig
index 5cc5b87..c761d49 100644
--- a/configs/xilinx_zynqmp_zcu102_rev1_0_defconfig
+++ b/configs/xilinx_zynqmp_zcu102_rev1_0_defconfig
@@ -63,6 +63,7 @@
 CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
+# CONFIG_SPI_FLASH_USE_4K_SECTORS is not set
 CONFIG_DM_ETH=y
 CONFIG_PHY_GIGE=y
 CONFIG_ZYNQ_GEM=y