Helios4: Use boot-mvebu-next bootscript

Use boot-mvebu-next.cmd that make use of upstream's Generic Distro
Configuration.
Since loadaddr and fdt_addr varibales are no longer required, remove the
patch.

Signed-off-by: Aditya Prayoga <aditya@kobol.io>

config/sources/mvebu-helios4.inc

@@ -17,7 +17,7 @@ case $BRANCH in
 	BOOTSOURCE='https://github.com/helios-4/u-boot.git'
 	BOOTBRANCH='branch:helios4'
 	BOOTDIR=$MAINLINE_UBOOT_DIR
-	BOOTSCRIPT='boot-marvell.cmd:boot.cmd'
+	BOOTSCRIPT='boot-mvebu-next.cmd:boot.cmd'
 	BOOTCONFIG='helios4_defconfig'
 
 	UBOOT_TARGET_MAP=";;u-boot-spl.kwb:u-boot.mmc

patch/u-boot/u-boot-helios4-next/loading-boot-scr.patch

@@ -1,31 +0,0 @@
-From f25165a2bcac2ec1b33b541a04ece0eef420674a Mon Sep 17 00:00:00 2001
-Message-Id: <f25165a2bcac2ec1b33b541a04ece0eef420674a.1540752056.git.aditya@kobol.io>
-In-Reply-To: <3eb15c0c6a0f26e418074cf3be9490a36f9161fd.1540752056.git.aditya@kobol.io>
-References: <3eb15c0c6a0f26e418074cf3be9490a36f9161fd.1540752056.git.aditya@kobol.io>
-From: Aditya Prayoga <aditya@kobol.io>
-Date: Thu, 18 Oct 2018 13:40:13 +0800
-Subject: [PATCH 02/11] arm: mvebu: helios4: Add extra environment variable to
- support Armbian
-
-Armbian boot script different env variable name to load armbianEnv.txt
-and device tree
----
- include/configs/helios4.h | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/include/configs/helios4.h b/include/configs/helios4.h
-index c289490..9a9bb4f 100644
---- a/include/configs/helios4.h
-+++ b/include/configs/helios4.h
-@@ -165,6 +165,8 @@
- 	LOAD_ADDRESS_ENV_SETTINGS \
- 	"fdtfile=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
- 	"console=ttyS0,115200\0" \
-+	"loadaddr=0x02000000\0" \
-+	"fdt_addr=" FDT_ADDR_R "\0" \
- 	BOOTENV
- 
- #endif /* CONFIG_SPL_BUILD */
--- 
-2.7.4
-