board: move all the rockchip board in one folder

The 'evb_rk3036' and 'kylin' is not a vendor name, let's replace them
to 'rockchip' which is a real _vendor_ name, and meet the architecure
'board/<vendor>/<board-name>/'.

More boards from rockchip like evb_rk3288, evb_rk3399 will comes later.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Eddie Cai <eddie.cai.kernel@gmail.com>
diff --git a/board/rockchip/evb_rk3036/Kconfig b/board/rockchip/evb_rk3036/Kconfig
new file mode 100644
index 0000000..ef45f62
--- /dev/null
+++ b/board/rockchip/evb_rk3036/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_EVB_RK3036
+
+config SYS_BOARD
+	default "evb_rk3036"
+
+config SYS_VENDOR
+	default "rockchip"
+
+config SYS_CONFIG_NAME
+	default "evb_rk3036"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif