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>

arch/arm/mach-rockchip/rk3036/Kconfig

@@ -15,7 +15,7 @@ config SYS_MALLOC_F_LEN
 config ROCKCHIP_COMMON
 	bool "Support rk common fuction"
 
-source "board/evb_rk3036/evb_rk3036/Kconfig"
-source "board/kylin/kylin_rk3036/Kconfig"
+source "board/rockchip/evb_rk3036/Kconfig"
+source "board/rockchip/kylin_rk3036/Kconfig"
 
 endif

board/evb_rk3036/evb_rk3036/Kconfig → board/rockchip/evb_rk3036/Kconfig

@@ -4,7 +4,7 @@ config SYS_BOARD
 	default "evb_rk3036"
 
 config SYS_VENDOR
-	default "evb_rk3036"
+	default "rockchip"
 
 config SYS_CONFIG_NAME
 	default "evb_rk3036"

board/kylin/kylin_rk3036/Kconfig → board/rockchip/kylin_rk3036/Kconfig

@@ -4,7 +4,7 @@ config SYS_BOARD
 	default "kylin_rk3036"
 
 config SYS_VENDOR
-	default "kylin"
+	default "rockchip"
 
 config SYS_CONFIG_NAME
 	default "kylin_rk3036"