ARM: sunxi: Move u-boot-sunxi-with-spl.bin rule to Makefile

We're going to need this logic for 64-bit builds as well, so move it
out from under arch/arm/cpu/armv7.

Signed-off-by: Tuomas Tynkkynen <tuomas@tuxera.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>

Makefile

@@ -800,6 +800,11 @@ ifneq ($(BUILD_ROM)$(CONFIG_BUILD_ROM),)
 ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
 endif
 
+# Build a combined spl + u-boot image for sunxi
+ifeq ($(CONFIG_ARCH_SUNXI)$(CONFIG_SPL),yy)
+ALL-y += u-boot-sunxi-with-spl.bin
+endif
+
 # enable combined SPL/u-boot/dtb rules for tegra
 ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy)
 ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin

arch/arm/cpu/armv7/sunxi/config.mk

-# Build a combined spl + u-boot image
-ifdef CONFIG_SPL
-ifndef CONFIG_SPL_BUILD
-ALL-y += u-boot-sunxi-with-spl.bin
-endif
-endif