spl: reorder SPL_MAX_SIZE defaults for sunxi

Reorder the Kconfig defaults for the maximum SPL size, to make the
Allwinner specific values more readable and extensible: many older SoCs
need to be limited to 32KB, so make this the last ARCH_SUNXI entry, used
as a fallback unless explicitly overridden before.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 97f542f..36dd064c 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -80,11 +80,10 @@
 	default 0x1b000 if AM33XX && !TI_SECURE_DEVICE
 	default 0xec00 if OMAP34XX
 	default 0x10000 if ARCH_MX6 && !MX6_OCRAM_256KB
-	default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x10000
-	default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x20000 && !MACH_SUN50I_H616
 	default 0xbfa0 if MACH_SUN50I_H616
 	default 0x7000 if RCAR_GEN3
 	default 0x5fa0 if SUNXI_SRAM_ADDRESS = 0x0
+	default 0x7fa0 if ARCH_SUNXI
 	default 0x10000 if ASPEED_AST2600
 	default 0x27000 if IMX8MM && SPL_TEXT_BASE = 0x7E1000
 	default 0x30000 if ARCH_SC5XX && (SC59X_64 || SC59X)