xilinx: zynq: Disable LMB for mini configurations

There shouldn't be a reason to have LMB on for these configurations.
LMB was already disabled for ZynqMP by commit 0063487a5b60 ("configs:
zynqmp: Disable LMB for mini u-boot").

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/07d95f619a15672d1a234eddcfbb54c0ab382eaa.1662460867.git.michal.simek@amd.com
diff --git a/configs/zynq_cse_nor_defconfig b/configs/zynq_cse_nor_defconfig
index 59cd19e..9f2d337 100644
--- a/configs/zynq_cse_nor_defconfig
+++ b/configs/zynq_cse_nor_defconfig
@@ -81,3 +81,4 @@
 CONFIG_SYS_FLASH_QUIET_TEST=y
 CONFIG_ARM_DCC=y
 # CONFIG_GZIP is not set
+# CONFIG_LMB is not set