ARM: board: meson: rename odroid-c2 to p200

This renames the odroid-c2 to p200 and set it as the default GXBB board
Other boards (odroid-c2 and nanopi-k2) will inherit from p200

Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/arch/arm/mach-meson/Kconfig b/arch/arm/mach-meson/Kconfig
index 11077bc..1b1d0ae 100644
--- a/arch/arm/mach-meson/Kconfig
+++ b/arch/arm/mach-meson/Kconfig
@@ -61,7 +61,7 @@
 
 config SYS_BOARD
 	string "Board name"
-	default "odroid-c2" if MESON_GXBB
+	default "p200" if MESON_GXBB
 	default "p212" if MESON_GXL
 	default "q200" if MESON_GXM
 	default "s400" if MESON_AXG