package/musl: add an upstream URL to Config.in
Add an upstream URL to the help text in Config.in. This
addresses the 'Missing' URL status in the package stats
web page output.
[Peter: also add URL to BR2_TOOLCHAIN_BUILDROOT_MUSL help]
Signed-off-by: Mark Corbin <mark@dibsco.co.uk>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 53698c9f81f2c0672215f6f9cb3d851a4be2f5fc)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>