x86: ivybridge: Do not require HAVE_INTEL_ME

Do not set HAVE_INTEL_ME by default as for some cases Intel ME
firmware even does not reside on the same SPI flash as U-Boot.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
diff --git a/board/google/chromebox_panther/Kconfig b/board/google/chromebox_panther/Kconfig
index ae96d23..2af3aa9 100644
--- a/board/google/chromebox_panther/Kconfig
+++ b/board/google/chromebox_panther/Kconfig
@@ -20,6 +20,7 @@
 	def_bool y
 	select X86_RESET_VECTOR
 	select NORTHBRIDGE_INTEL_IVYBRIDGE
+	select HAVE_INTEL_ME
 	select BOARD_ROMSIZE_KB_8192
 
 config SYS_CAR_ADDR