initial buildroot for linux 5.15

package/firmware-utils/Config.in

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+config BR2_PACKAGE_FIRMWARE_UTILS
+	bool "firmware-utils"
+	depends on !BR2_STATIC_LIBS
+	select BR2_PACKAGE_OPENSSL
+	select BR2_PACKAGE_LIBOPENSSL_ENABLE_DES if BR2_PACKAGE_LIBOPENSSL
+	select BR2_PACKAGE_ZLIB
+	help
+	  Firmware utils are tools that can be used for managing
+	  platform / device / vendor specific firmware images. Depending
+	  on a specific tool it may be possible to read information,
+	  extract data, modify or build an image from a scratch.
+
+	  A common target usage of firmware utils is to upgrade kernel
+	  and / or rootfs. Depending on device it may be required to
+	  extract a part of firmware image and flash it.
+
+	  https://git.openwrt.org/?p=project/firmware-utils.git;a=summary
+
+comment "firmware-utils needs a toolchain w/ dynamic library"
+	depends on BR2_STATIC_LIBS

package/firmware-utils/Config.in.host

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+config BR2_PACKAGE_HOST_FIRMWARE_UTILS
+	bool "host firmware-utils"
+	help
+	  Firmware utils are tools that can be used for managing
+	  platform / device / vendor specific firmware images. Depending
+	  on a specific tool it may be possible to read information,
+	  extract data, modify or build an image from a scratch.
+
+	  A common host usage of firmware utils is to build a bootloader
+	  supported image.
+
+	  https://git.openwrt.org/?p=project/firmware-utils.git;a=summary

package/firmware-utils/firmware-utils.hash

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+# Locally calculated
+sha256  0df1b7912d68822025f9bb6a7ddfdf9675e2116d34c3c74bbdc83defcefe203c  firmware-utils-86739f2b3ae9502368b89ef37fa6f31c42aad6f4-br1.tar.gz

package/firmware-utils/firmware-utils.mk

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+################################################################################
+#
+# firmware-utils
+#
+################################################################################
+
+FIRMWARE_UTILS_VERSION = 86739f2b3ae9502368b89ef37fa6f31c42aad6f4
+FIRMWARE_UTILS_SITE = git://git.openwrt.org/project/firmware-utils.git
+FIRMWARE_UTILS_LICENSE = \
+	BSD-2-Clause (tplink-safeloader), \
+	BSD-3-Clause (seama), \
+	GPL-2.0 (add_header, bcmalgo, buffalo-enc, buffalo-lib, buffalo-tag, \
+		 buffalo-tftp, dgfirmware, dns313-header, edimax_fw_header, \
+		 fix-u-media-header, hcsmakeimage, mkbrncmdline, mkbrnimg, \
+		 mkbuffaloimg, mkcameofw, mkcasfw, mkdapimg, mkdapimg2, \
+		 mkdhpimg, mkdniimg, mkhilinkfw, mkmerakifw-old, mkmerakifw, \
+		 mkplanexfw, mkporayfw, mkrasimage, mkrtn56uimg, mksenaofw, \
+		 mksercommfw, mktitanimg, mktplinkfw-lib, mktplinkfw, \
+		 mktplinkfw2, mkwrggimg, mkwrgimg, mkzcfw, mkzynfw, \
+		 mkzyxelzldfw osbridge-crc, pc1crypt, srec2bin, trx2edips, \
+		 uimage_padhdr, wrt400n, zyimage, zytrx), \
+	GPL-2.0+ (addpattern, asustrx, bcm4908asus, bcm4908kernel, dgn3500sum, \
+		  encode_crc, jcgimage, lzma2eva, makeamitbin, mkchkimg, \
+		  mkcsysimg, mkdlinkfw-lib, mkdlinkfw, mkedimaximg, mkfwimage, \
+		  mkfwimage2, mkheader_gemtek, mkmylofw, motorola-bin, \
+		  nec-enc, oseama, otrx, ptgen, sign_dlink_ru, spw303v, trx, \
+		  uimage_sgehdr, xiaomifw, xorimage, zyxbcm), \
+	GPL-2.0 OR GPL-3.0 (nand_ecc), \
+	GPL-2.0+ OR MIT (lxlfw), \
+	UNKNOWN (imagetag, trx2usr)
+# No explicit license file. We could use the source files, but that would mean
+# we need to use all of them. If we need to do that, we can just as well leave
+# it to the integrator to get them from the sources
+
+FIRMWARE_UTILS_DEPENDENCIES = openssl zlib
+HOST_FIRMWARE_UTILS_DEPENDENCIES = host-openssl host-zlib
+
+$(eval $(cmake-package))
+$(eval $(host-cmake-package))