siemens/mc_apl1: Add new mainboard

This mainboard is based on Intel's Leafhill CRB with Apollo Lake
silicon. In a first step, it concerns only a copy of intel/leafhill
directory with minimum changes. Special adaptations for MC APL1
mainboard will follow in separate commits.

Change-Id: If0b8a2bc21c99c3be4e6043e8febfb1b91ff0a63
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/18272
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Brenton Dong <brenton.m.dong@intel.com>
diff --git a/src/mainboard/siemens/mc_apl1/Kconfig b/src/mainboard/siemens/mc_apl1/Kconfig
new file mode 100644
index 0000000..6201ed3
--- /dev/null
+++ b/src/mainboard/siemens/mc_apl1/Kconfig
@@ -0,0 +1,17 @@
+if BOARD_SIEMENS_MC_APL1
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
+	select SOC_INTEL_APOLLOLAKE
+	select BOARD_ROMSIZE_KB_16384
+	select HAVE_ACPI_TABLES
+
+config MAINBOARD_DIR
+	string
+	default siemens/mc_apl1
+
+config MAINBOARD_PART_NUMBER
+	string
+	default "MC APL1"
+
+endif # BOARD_SIEMENS_MC_APL1