arch: tile: re-use kbasename() helper
arch: tile: re-use kbasename() helper

kbasename() returns the filename part of a pathname.

Signed-off-by: Andy Shevchenko <74f0c009df510614346aa771cd21959b78cdb413@linux.intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs