update/blobs: unify global variables

they all more or less use the same variables, so put
them all under include/blobutil.sh

Signed-off-by: Leah Rowe <leah@libreboot.org>

script/update/blobs/download

@@ -7,47 +7,7 @@
 
 . "include/err.sh"
 . "include/defconfig.sh"
-
-agent="Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0"
-
-ec_url=""
-ec_url_bkup=""
-ec_hash=""
-dl_hash=""
-dl_url=""
-dl_url_bkup=""
-dl_path=""
-e6400_vga_dl_hash=""
-e6400_vga_dl_url=""
-e6400_vga_dl_url_bkup=""
-e6400_vga_offset=""
-e6400_vga_romname=""
-sch5545ec_dl_url=""
-sch5545ec_dl_url_bkup=""
-sch5545ec_dl_hash=""
-
-cbdir="coreboot/default"
-cbcfgsdir="config/coreboot"
-boarddir=""
-blobdir="blobs"
-appdir="${blobdir}/app"
-_7ztest="a"
-mecleaner="$(pwd)/me_cleaner/me_cleaner.py"
-e6400_unpack="$(pwd)/bios_extract/dell_inspiron_1100_unpacker.py"
-me7updateparser="$(pwd)/util/me7_update_parser/me7_update_parser.py"
-kbc1126_ec_dump="$(pwd)/${cbdir}/util/kbc1126/kbc1126_ec_dump"
-board=""
-pfs_extract="$(pwd)/biosutilities/Dell_PFS_Extract.py"
-uefiextract="$(pwd)/uefitool/uefiextract"
-_b="" # board shorthand without e.g. _4mb (avoid duplication per flash size)
-
-CONFIG_HAVE_MRC=""
-CONFIG_HAVE_ME_BIN=""
-CONFIG_KBC1126_FIRMWARE=""
-CONFIG_BOARD_DELL_E6400=""
-CONFIG_VGA_BIOS_FILE=""
-CONFIG_INCLUDE_SMSC_SCH5545_EC_FW=""
-CONFIG_SMSC_SCH5545_EC_FW_FILE=""
+. "include/blobutil.sh"
 
 main()
 {