os: fix u-boot env size (#153)

* os: fix u-boot env size

* Delete fw_env.config

buildroot-external/board/raspberrypi/patches/uboot/0001-Support-HassOS-bootstate-partition.patch

@@ -1,24 +1,25 @@
-From 1529062f72cee8061b4733e1148357d227639900 Mon Sep 17 00:00:00 2001
+From 8458beb24f2540fff3c3faed4fa068553b9e474e Mon Sep 17 00:00:00 2001
 From: Pascal Vizeli <pvizeli@syshack.ch>
-Date: Mon, 11 Jun 2018 11:09:10 +0000
+Date: Wed, 8 Aug 2018 09:45:07 +0000
 Subject: [PATCH 1/1] Support HassOS bootstate partition
 
 Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch>
 ---
- env/mmc.c | 4 ++++
- 1 file changed, 4 insertions(+)
+ env/mmc.c | 5 +++++
+ 1 file changed, 5 insertions(+)
 
 diff --git a/env/mmc.c b/env/mmc.c
-index 5e3da6dca7..75c06899d1 100644
+index 5e3da6dca75..353f58a12c9 100644
 --- a/env/mmc.c
 +++ b/env/mmc.c
-@@ -18,6 +18,10 @@
+@@ -18,6 +18,11 @@
  #include <search.h>
  #include <errno.h>
  
++#undef CONFIG_SYS_MMC_ENV_DEV
 +#define CONFIG_SYS_MMC_ENV_DEV 0
++#undef CONFIG_ENV_OFFSET
 +#define CONFIG_ENV_OFFSET 0x25100000
-+#define CONFIG_ENV_SIZE 0x400000
 +
  #define __STR(X) #X
  #define STR(X) __STR(X)

buildroot-external/board/raspberrypi/rpi/info

@@ -4,3 +4,4 @@ CHASSIS=embedded
 BOOTLOADER=uboot
 KERNEL_FILE=zImage
 BOOT_SYS=mbr
+BOOT_ENV_SIZE=0x4000

buildroot-external/board/raspberrypi/rpi0-w/info

@@ -4,3 +4,4 @@ CHASSIS=embedded
 BOOTLOADER=uboot
 KERNEL_FILE=zImage
 BOOT_SYS=mbr
+BOOT_ENV_SIZE=0x4000

buildroot-external/board/raspberrypi/rpi2/info

@@ -4,3 +4,4 @@ CHASSIS=embedded
 BOOTLOADER=uboot
 KERNEL_FILE=zImage
 BOOT_SYS=mbr
+BOOT_ENV_SIZE=0x4000

buildroot-external/board/raspberrypi/rpi3-64/info

@@ -4,3 +4,4 @@ CHASSIS=embedded
 BOOTLOADER=uboot
 KERNEL_FILE=Image
 BOOT_SYS=mbr
+BOOT_ENV_SIZE=0x4000

buildroot-external/board/raspberrypi/rpi3/info

@@ -4,3 +4,4 @@ CHASSIS=embedded
 BOOTLOADER=uboot
 KERNEL_FILE=zImage
 BOOT_SYS=mbr
+BOOT_ENV_SIZE=0x4000