cpu: fix cpu_microcode class

There's no reason defining another class compiler which
overrides the first one. The microcode files are just
built into a binary and added to cbfs. There's no reason to
change compilers.

Change-Id: Icb47d509832e7433092a814bad020f8d66f2a299
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11596
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Tested-by: build bot (Jenkins)
1 file changed