toolchain: Use ALIAS_OF() in FUNC_ALIAS() macro

Use the ALIAS_OF() macro instead of using alias attribute
directly.

Change-Id: I2f904644df2212b72d8d973bc3651dcf9e7a8b0d
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
1 file changed