uhubctl: incorporate feedback from review

Signed-off-by: Steven Honson <steven@honson.id.au>

utils/uhubctl/Makefile

@@ -5,9 +5,8 @@ PKG_VERSION:=2.2.0
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_SOURCE_URL:=https://github.com/mvp/uhubctl/archive/v$(PKG_VERSION)
+PKG_SOURCE_URL:=https://codeload.github.com/mvp/uhubctl/tar.gz/v$(PKG_VERSION)?
 PKG_HASH:=e5a722cb41967903bedbab4eea566ab332241a7f05fc7bc9c386b9a5e1762d8b
-PKG_CAT:=zcat
 
 PKG_LICENSE:=GPL-2.0-only
 PKG_LICENSE_FILES:=COPYING LICENSE