cpu: microcode: Use microcode stored in binary format

Using a copiler to compile something that's already a binary is pretty
stupid. Now that Stefan converted most microcode in blobs to a plain
binary, use the binary version.

Change-Id: Iecf1f0cdf7bbeb7a61f46a0cd984ba341af787ce
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/11607
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/soc/intel/braswell/Makefile.inc

@@ -1,6 +1,5 @@
 ifeq ($(CONFIG_SOC_INTEL_BRASWELL),y)
 
-subdirs-y += microcode
 subdirs-y += romstage
 subdirs-y += ../../../cpu/x86/lapic
 subdirs-y += ../../../cpu/x86/mtrr
@@ -51,6 +50,8 @@ smm-y += smihandler.c
 smm-y += spi.c
 smm-y += tsc_freq.c
 
+# cpu_microcode_bins += ???
+
 CPPFLAGS_common += -I$(src)/soc/intel/braswell/
 CPPFLAGS_common += -I$(src)/soc/intel/braswell/include