x86: ivybridge: Enable 206ax cpu driver for FSP build

At present this 206ax cpu driver is only built when FSP is not used.
This updates the Makefile to enable the build for both cases.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/x86/cpu/ivybridge/Makefile

@@ -8,7 +8,6 @@ else
 obj-$(CONFIG_$(SPL_)X86_32BIT_INIT) += cpu.o
 obj-y += early_me.o
 obj-y += lpc.o
-obj-y += model_206ax.o
 obj-y += northbridge.o
 ifndef CONFIG_SPL_BUILD
 obj-y += sata.o
@@ -18,4 +17,5 @@ ifndef CONFIG_$(SPL_)X86_32BIT_INIT
 obj-y += sdram_nop.o
 endif
 endif
+obj-y += model_206ax.o
 obj-y += bd82x6x.o