I just looked in the repos, and there is a new F10 kernel there (kernel-2.6.27.19-170.2.35.fc10.i686.rpm). And new kmod-wl packages for it are also now in the rpmfusion nonfree repo...
kmod-wl-5.10.27.14-2.fc10.1.i686.rpm
kmod-wl-2.6.27.19-170.2.35.fc10.i686-5.10.27.14-2.fc10.1.i686.rpm
So, if your currently running kernel is that new one (check with
uname -r), and you are still getting that same dependency error from running
yum install broadcom-wl...
Code:
Missing Dependency: kernel-uname-r = 2.6.27.15-170.2.24.fc10.i686 is needed...
...then I have no idea what that is all about.
If it were happening to me, I think I would just download the three packages for the new kernel from RPM fusion and try manually installing them with the rpm command. I posted links to the two kmods above. Just for completeness, here is a link to the current broadcom-wl package...
broadcom-wl-5.10.27.14-1.fc10.noarch.rpm
Put those three rpm files together in a directory (say, on your Desktop), cd to that directory, and then...