nand: Drop CONFIG_NAND_SPEAR

This is not used anymore. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile
index 7320d58..4c59903 100644
--- a/drivers/mtd/nand/raw/Makefile
+++ b/drivers/mtd/nand/raw/Makefile
@@ -70,7 +70,6 @@
 obj-$(CONFIG_NAND_OCTEONTX) += octeontx_nand.o
 obj-$(CONFIG_NAND_OCTEONTX_HW_ECC) += octeontx_bch.o
 obj-$(CONFIG_NAND_PXA3XX) += pxa3xx_nand.o
-obj-$(CONFIG_NAND_SPEAR) += spr_nand.o
 obj-$(CONFIG_TEGRA_NAND) += tegra_nand.o
 obj-$(CONFIG_NAND_OMAP_GPMC) += omap_gpmc.o
 obj-$(CONFIG_NAND_OMAP_ELM) += omap_elm.o