[Add u-boot-fw-utils for dual image]

[Description]
Add u-boot-fw-utils for dual image
1. support fw_printenv and fw_setenv commands

[Release-log]

diff --git a/conf/include/filogic-bbmasks.inc b/conf/include/filogic-bbmasks.inc
index e371192..15a9bff 100644
--- a/conf/include/filogic-bbmasks.inc
+++ b/conf/include/filogic-bbmasks.inc
@@ -10,7 +10,7 @@
 
 BBMASK .= "|meta-browser/*"
 BBMASK .= "|openembedded-core/meta/recipes-bsp/u-boot/libubootenv_0.2.bb"
-BBMASK .= "|openembedded-core/meta/recipes-bsp/u-boot/libubootenv_0.3.1.bb"
+
 BBMASK .= "|meta-virtualization/recipes-devtools/protobuf"
 
 BBMASK .= "${@'' if os.path.isdir('|meta-openembedded/meta-oe/recipes-devtools/breakpad/breakpad_git.bb') else '|meta-cmf/recipes-devtools/breakpad/breakpad_git.bb'}"
diff --git a/conf/machine/filogic830-32bit.conf b/conf/machine/filogic830-32bit.conf
index 4b5c368..70858ef 100644
--- a/conf/machine/filogic830-32bit.conf
+++ b/conf/machine/filogic830-32bit.conf
@@ -12,6 +12,8 @@
 
 MACHINEOVERRIDES .= ":broadband:filogic-32bit:mt7986-32bit"
 
+PREFERRED_PROVIDER_u-boot-fw-utils = "libubootenv"
+
 PREFERRED_VERSION_xfsprogs = "4.8.0"
 PREFERRED_VERSION_php_dunfell = "7.1.%"
 PREFERRED_VERSION_php-native_dunfell = "7.1.%"
diff --git a/conf/machine/filogic830.conf b/conf/machine/filogic830.conf
index 9809e4d..834d0ca 100644
--- a/conf/machine/filogic830.conf
+++ b/conf/machine/filogic830.conf
@@ -12,6 +12,8 @@
 
 MACHINEOVERRIDES .= ":broadband:filogic:mt7986"
 
+PREFERRED_PROVIDER_u-boot-fw-utils = "libubootenv"
+
 PREFERRED_VERSION_xfsprogs = "4.8.0"
 PREFERRED_VERSION_php_dunfell = "7.1.%"
 PREFERRED_VERSION_php-native_dunfell = "7.1.%"
diff --git a/recipes-core/packagegroups/packagegroup-filogic-core.bb b/recipes-core/packagegroups/packagegroup-filogic-core.bb
index ba32abe..fe0a69c 100644
--- a/recipes-core/packagegroups/packagegroup-filogic-core.bb
+++ b/recipes-core/packagegroups/packagegroup-filogic-core.bb
@@ -36,4 +36,5 @@
     usteer \
     ${@bb.utils.contains('DISTRO_FEATURES','switch_gsw_mode','switch','',d)} \
     mtd-utils-ubifs \
+    u-boot-fw-utils \
     "