Intel cpus: apply un-written naming rules

Kconfig directives to select chip drivers for compile literally
match the chip directory names capitalized and underscored.

Note: CPU_INTEL_CORE2 was used on both model_6fx and model_1067x.

Change-Id: I8fa5ba71b14dcce79ab2a2c1c69b3bc36edbdea0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/618
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/cpu/intel/socket_BGA956/Kconfig b/src/cpu/intel/socket_BGA956/Kconfig
new file mode 100644
index 0000000..a764348
--- /dev/null
+++ b/src/cpu/intel/socket_BGA956/Kconfig
@@ -0,0 +1,3 @@
+config CPU_INTEL_SOCKET_BGA956
+	bool
+	select CPU_INTEL_MODEL_1067X