ARM: uniphier: move NAND reset assertion to U-Boot proper from SPL

The comment /* deassert reset */ is wrong. It asserts the reset.

It no longer needs to stay in SPL. The NAND controller reset is
handled  in the driver. So, this assert can be moved to the
board_init() of U-Boot proper.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/Makefile b/arch/arm/mach-uniphier/Makefile
index 115af24..769778c 100644
--- a/arch/arm/mach-uniphier/Makefile
+++ b/arch/arm/mach-uniphier/Makefile
@@ -22,6 +22,7 @@
 obj-$(CONFIG_MICRO_SUPPORT_CARD) += micro-support-card.o
 obj-y += pinctrl-glue.o
 obj-$(CONFIG_MMC) += mmc-first-dev.o
+obj-$(CONFIG_NAND_DENALI) += nand-reset.o
 obj-y += fdt-fixup.o
 
 endif