sunxi: fix the default value of CONS_INDEX on non-A23/A33 SUN8I

Only A23/A33 in SUN8I want a default value of CONS_INDEX of 5, for other
chips the default value is 1 like other Allwinner SoCs.

Fix this default value.

The original wrong value has lead to wrong console on H3 Orange Pi
boards.

Fixes: 7095f86418 ("sunxi: Convert CONS_INDEX to Kconfig")

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

drivers/serial/Kconfig

@@ -48,11 +48,11 @@ config CONS_INDEX
 	int "UART used for console"
 	depends on ARCH_SUNXI
 	default 2 if MACH_SUN5I
-	default 5 if MACH_SUN8I
+	default 5 if MACH_SUN8I_A23 || MACH_SUN8I_A33
 	default 1
 	help
 	  Configures the console index.
-	  For Allwinner SoC., default values are 2 for SUN5I and 5 for SUN8I.
+	  For Allwinner SoC., default values are 2 for SUN5I and 5 for A23/A33.
 	  Otherwise, the index equals 1.
 
 config DM_SERIAL