ARM: sunxi: Fix Ippo-q8h-v5 defconfig filename

The defconfig for Ippo-q8h-v5 was incorrectly committed as
"Ippo_q8h". This patch renames it correctly, as well as
correct a typo in my name in the maintainers listing.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Acked-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NHans de Goede <hdegoede@redhat.com>

board/sunxi/MAINTAINERS

@@ -52,6 +52,6 @@ S:	Maintained
 F:	configs/Colombus_defconfig
 
 IPPO-Q8H-V5 BOARD
-M:	CHen-Yu Tsai <wens@csie.org>
+M:	Chen-Yu Tsai <wens@csie.org>
 S:	Maintained
 F:	configs/Ippo_q8h_v5_defconfig