CentOS and RHEL need libusbx-devel

which is named libusb1-devel on Fedora, for some unknowable reason.

index/li/libusb/libusb-external.toml

@@ -8,8 +8,8 @@ maintainers-logins = ["pmunts"]
 [[external]]
 kind = "system"
 [external.origin."case(distribution)"]
-"centos|fedora|rhel" = ["libusb1-devel"]
+"arch" = ["libusb"]
+"centos|rhel" = ["libusbx-devel"]
 "debian|ubuntu" = ["libusb-1.0-0-dev"]
-arch = ["libusb"]
-homebrew = ["libusb"]
-macports = ["libusb"]
+"fedora" = ["libusb1-devel"]
+"homebrew|macports" = ["libusb"]